Hi,
I am running Centos 5.3 with all of the updates. I needed a mail list server so I installed mailman and postfix. I did yum install postfix and yum install mailman. postfix installed and can send email to my live account so it is working. mailman is installed and I can goto my server and subscribe to a list. I get the confirmation email from mailman. However when I try to post I get a group mismatch error.
I have done a google search and everyone says to recompile with the proper ./configure. I installed from packages. I would rather not have to recompile. Everything seems to be ok except I can't post.
# /usr/lib/mailman/mail/mailman post mailman Group mismatch error. Mailman expected the mail wrapper script to be executed as one of the following groups: [mail, postfix, mailman, nobody, daemon], but the system's mail server executed the mail script as group: "root". Try tweaking the mail server to run the script as one of these groups: [mail, postfix, mailman, nobody, daemon], or re-run configure providing the command line option: '--with-mail-gid=root'. # /usr/lib/mailman/bin/check_perms -f No problems found
So what did I do wrong? And why isn't check_perms detecting the problem. >From what I read on the internet this is a very common problem.
Thanks, Greg
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Greg White wrote:
I am running Centos 5.3 with all of the updates. I needed a mail list server so I installed mailman and postfix. I did yum install postfix and yum install mailman. postfix installed and can send email to my live account so it is working. mailman is installed and I can goto my server and subscribe to a list. I get the confirmation email from mailman. However when I try to post I get a group mismatch error.
I have done a google search and everyone says to recompile with the proper ./configure. I installed from packages. I would rather not have to recompile. Everything seems to be ok except I can't post.
# /usr/lib/mailman/mail/mailman post mailman Group mismatch error. Mailman expected the mail wrapper script to be executed as one of the following groups: [mail, postfix, mailman, nobody, daemon], but the system's mail server executed the mail script as group: "root". Try tweaking the mail server to run the script as one of these groups: [mail, postfix, mailman, nobody, daemon], or re-run configure providing the command line option: '--with-mail-gid=root'.
This only tells us that you ran the wrapper as root. It doesn't say how Postfix ran it.
# /usr/lib/mailman/bin/check_perms -f No problems found
So what did I do wrong? And why isn't check_perms detecting the problem. From what I read on the internet this is a very common problem.
Group mismatch errors have little to do with permissions and check_perms can't really check them. See the FAQ at <http://wiki.list.org/x/tYA9>.
The answer in your case is that Mailman's aliases need to be in an aliases.db file whose owner's primary group is one of your above list
- normally 'mailman'. Note that this doesn't mean the file's group; it means the primary group of the file's owner. This is a Postfix thing.
If you have Mailman/Postfix integration properly configured, this should be automatic because the aliases will be in Mailman's data/aliases* files and data/aliases.db will be owned by the Mailman user.
Note that if this isn't all properly set up from the rpms, that is a RedHat/CentOS packaging issue over which we have no control.
-- Mark Sapiro <mark@msapiro.net> The highway is for gamblers, San Francisco Bay Area, California better use your sense - B. Dylan
Mark wrote:
Greg wrote:
I am running Centos 5.3 with all of the updates. I needed a mail list server so I installed mailman and postfix. I did yum install postfix and yum install mailman. postfix installed and can send email to my live account so it is working. mailman is installed and I can goto my server and subscribe to a list. I get the confirmation email from mailman. However when I try to post I get a group mismatch error.
I have done a google search and everyone says to recompile with the proper ./configure. I installed from packages. I would rather not have to recompile. Everything seems to be ok except I can't post.
# /usr/lib/mailman/mail/mailman post mailman Group mismatch error. Mailman expected the mail wrapper script to be executed as one of the following groups: [mail, postfix, mailman, nobody, daemon], but the system's mail server executed the mail script as group: "root". Try tweaking the mail server to run the script as one of these groups: [mail, postfix, mailman, nobody, daemon], or re-run configure providing the command line option: '--with-mail-gid=root'.
This only tells us that you ran the wrapper as root. It doesn't say how Postfix ran it.
# /usr/lib/mailman/bin/check_perms -f No problems found
So what did I do wrong? And why isn't check_perms detecting the problem. >From what I read on the internet this is a very common problem.
Group mismatch errors have little to do with permissions and check_perms can't really check them. See the FAQ at .
The answer in your case is that Mailman's aliases need to be in an aliases.db file whose owner's primary group is one of your above list
- normally 'mailman'. Note that this doesn't mean the file's group; it means the primary group of the file's owner. This is a Postfix thing.
If you have Mailman/Postfix integration properly configured, this should be automatic because the aliases will be in Mailman's data/aliases* files and data/aliases.db will be owned by the Mailman user.
Note that if this isn't all properly set up from the rpms, that is a RedHat/CentOS packaging issue over which we have no control.
-- Mark Sapiro The highway is for gamblers, San Francisco Bay Area, California better use your sense - B. Dylan
# ls -lhZ /etc/aliases* -rw-r--r-- root root system_u:object_r:etc_aliases_t /etc/aliases -rw-r--r-- root root system_u:object_r:etc_aliases_t /etc/aliases.db
# ls -lhZ /etc/mailman/aliases* -rw-rw---- root mailman user_u:object_r:mailman_data_t /etc/mailman/aliases -rw-rw-r-- mailman mailman user_u:object_r:mailman_data_t /etc/mailman/aliases.db
# cat /etc/mailman/aliases # This file is generated by Mailman, and is kept in sync with the # binary hash file aliases.db. YOU SHOULD NOT MANUALLY EDIT THIS FILE # unless you know what you're doing, and can keep the two files properly # in sync. If you screw it up, you're on your own.
# The ultimate loop stopper address mailman-loop: /var/lib/mailman/data/owner-bounces.mbox
# STANZA START: mailman # CREATED: Thu Jul 23 14:23:19 2009 mailman: "|/usr/lib/mailman/mail/mailman post mailman" mailman-admin: "|/usr/lib/mailman/mail/mailman admin mailman" mailman-bounces: "|/usr/lib/mailman/mail/mailman bounces mailman" mailman-confirm: "|/usr/lib/mailman/mail/mailman confirm mailman" mailman-join: "|/usr/lib/mailman/mail/mailman join mailman" mailman-leave: "|/usr/lib/mailman/mail/mailman leave mailman" mailman-owner: "|/usr/lib/mailman/mail/mailman owner mailman" mailman-request: "|/usr/lib/mailman/mail/mailman request mailman" mailman-subscribe: "|/usr/lib/mailman/mail/mailman subscribe mailman" mailman-unsubscribe: "|/usr/lib/mailman/mail/mailman unsubscribe mailman" # STANZA END: mailman
# STANZA START: test # CREATED: Thu Jul 23 16:21:13 2009 test: "|/usr/lib/mailman/mail/mailman post test" test-admin: "|/usr/lib/mailman/mail/mailman admin test" test-bounces: "|/usr/lib/mailman/mail/mailman bounces test" test-confirm: "|/usr/lib/mailman/mail/mailman confirm test" test-join: "|/usr/lib/mailman/mail/mailman join test" test-leave: "|/usr/lib/mailman/mail/mailman leave test" test-owner: "|/usr/lib/mailman/mail/mailman owner test" test-request: "|/usr/lib/mailman/mail/mailman request test" test-subscribe: "|/usr/lib/mailman/mail/mailman subscribe test" test-unsubscribe: "|/usr/lib/mailman/mail/mailman unsubscribe test" # STANZA END: test
# postconf -n alias_database = hash:/etc/aliases alias_maps = hash:/etc/mailman/aliases, hash:/etc/aliases command_directory = /usr/sbin config_directory = /etc/postfix daemon_directory = /usr/libexec/postfix debug_peer_level = 2 home_mailbox = Maildir/ html_directory = no inet_interfaces = localhost mail_owner = postfix mailq_path = /usr/bin/mailq.postfix manpage_directory = /usr/share/man mydestination = $myhostname, localhost.$mydomain, localhost, $mydomain mydomain = xyz.com myhostname = list.xyz.com mynetworks = 10.100.159.0/24, 127.0.0.0/8 myorigin = $mydomain newaliases_path = /usr/bin/newaliases.postfix queue_directory = /var/spool/postfix readme_directory = /usr/share/doc/postfix-2.3.3/README_FILES recipient_delimiter = + relay_domains = relayhost = sample_directory = /usr/share/doc/postfix-2.3.3/samples sendmail_path = /usr/sbin/sendmail.postfix setgid_group = postdrop smtpd_banner = $myhostname ESMTP $mail_name unknown_local_recipient_reject_code = 550
So do I have everything configured right?? Do I have to recompile mailman? If so it looks like I have to recompile starting with ./configure --with-mail-gid=root
Thanks,
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Greg White wrote:
# ls -lhZ /etc/aliases* -rw-r--r-- root root system_u:object_r:etc_aliases_t /etc/aliases -rw-r--r-- root root system_u:object_r:etc_aliases_t /etc/aliases.db
# ls -lhZ /etc/mailman/aliases* -rw-rw---- root mailman user_u:object_r:mailman_data_t /etc/mailman/aliases -rw-rw-r-- mailman mailman user_u:object_r:mailman_data_t /etc/mailman/aliases.db
This looks good. The key thing is that Mailman's aliases.db is owned by mailman.
# cat /etc/mailman/aliases # This file is generated by Mailman, and is kept in sync with the # binary hash file aliases.db. YOU SHOULD NOT MANUALLY EDIT THIS FILE # unless you know what you're doing, and can keep the two files properly # in sync. If you screw it up, you're on your own.
# The ultimate loop stopper address mailman-loop: /var/lib/mailman/data/owner-bounces.mbox
# STANZA START: mailman # CREATED: Thu Jul 23 14:23:19 2009 mailman: "|/usr/lib/mailman/mail/mailman post mailman" mailman-admin: "|/usr/lib/mailman/mail/mailman admin mailman" mailman-bounces: "|/usr/lib/mailman/mail/mailman bounces mailman" mailman-confirm: "|/usr/lib/mailman/mail/mailman confirm mailman" mailman-join: "|/usr/lib/mailman/mail/mailman join mailman" mailman-leave: "|/usr/lib/mailman/mail/mailman leave mailman" mailman-owner: "|/usr/lib/mailman/mail/mailman owner mailman" mailman-request: "|/usr/lib/mailman/mail/mailman request mailman" mailman-subscribe: "|/usr/lib/mailman/mail/mailman subscribe mailman" mailman-unsubscribe: "|/usr/lib/mailman/mail/mailman unsubscribe mailman" # STANZA END: mailman
# STANZA START: test # CREATED: Thu Jul 23 16:21:13 2009 test: "|/usr/lib/mailman/mail/mailman post test" test-admin: "|/usr/lib/mailman/mail/mailman admin test" test-bounces: "|/usr/lib/mailman/mail/mailman bounces test" test-confirm: "|/usr/lib/mailman/mail/mailman confirm test" test-join: "|/usr/lib/mailman/mail/mailman join test" test-leave: "|/usr/lib/mailman/mail/mailman leave test" test-owner: "|/usr/lib/mailman/mail/mailman owner test" test-request: "|/usr/lib/mailman/mail/mailman request test" test-subscribe: "|/usr/lib/mailman/mail/mailman subscribe test" test-unsubscribe: "|/usr/lib/mailman/mail/mailman unsubscribe test" # STANZA END: test
# postconf -n alias_database = hash:/etc/aliases alias_maps = hash:/etc/mailman/aliases, hash:/etc/aliases command_directory = /usr/sbin config_directory = /etc/postfix daemon_directory = /usr/libexec/postfix debug_peer_level = 2 home_mailbox = Maildir/ html_directory = no inet_interfaces = localhost mail_owner = postfix mailq_path = /usr/bin/mailq.postfix manpage_directory = /usr/share/man mydestination = $myhostname, localhost.$mydomain, localhost, $mydomain mydomain = xyz.com myhostname = list.xyz.com mynetworks = 10.100.159.0/24, 127.0.0.0/8 myorigin = $mydomain newaliases_path = /usr/bin/newaliases.postfix queue_directory = /var/spool/postfix readme_directory = /usr/share/doc/postfix-2.3.3/README_FILES recipient_delimiter = + relay_domains = relayhost = sample_directory = /usr/share/doc/postfix-2.3.3/samples sendmail_path = /usr/sbin/sendmail.postfix setgid_group = postdrop smtpd_banner = $myhostname ESMTP $mail_name unknown_local_recipient_reject_code = 550
So do I have everything configured right?? Do I have to recompile mailman? If so it looks like I have to recompile starting with ./configure --with-mail-gid=root
The above looks good. what is the exact group mismatch error message you get in the DSN and/or maillog when you mail to test@list.xyz.com?
-- Mark Sapiro <mark@msapiro.net> The highway is for gamblers, San Francisco Bay Area, California better use your sense - B. Dylan
Mark wrote:
Greg wrote:
# ls -lhZ /etc/aliases* -rw-r--r-- root root system_u:object_r:etc_aliases_t /etc/aliases -rw-r--r-- root root system_u:object_r:etc_aliases_t /etc/aliases.db
# ls -lhZ /etc/mailman/aliases* -rw-rw---- root mailman user_u:object_r:mailman_data_t /etc/mailman/aliases -rw-rw-r-- mailman mailman user_u:object_r:mailman_data_t /etc/mailman/aliases.db
This looks good. The key thing is that Mailman's aliases.db is owned by mailman.
snip
So do I have everything configured right?? Do I have to recompile mailman? If so it looks like I have to recompile starting with ./configure --with-mail-gid=root
The above looks good. what is the exact group mismatch error message you get in the DSN and/or maillog when you mail to test@list.xyz.com?
To send the test message I sshd into my box as user, su - to root, and did: # /usr/lib/mailman/mail/mailman post test Group mismatch error. Mailman expected the mail wrapper script to be executed as one of the following groups: [mail, postfix, mailman, nobody, daemon], but the system's mail server executed the mail script as group: "root". Try tweaking the mail server to run the script as one of these groups: [mail, postfix, mailman, nobody, daemon], or re-run configure providing the command line option: '--with-mail-gid=root'.
I then use mutt (still as root) to send an email and this is what I see in /var/log/maillog Aug 1 13:21:44 list postfix/postfix-script: starting the Postfix mail system Aug 1 13:21:44 list postfix/master[2494]: daemon started -- version 2.3.3, configuration /etc/postfix Aug 1 13:22:23 list Mailman mail-wrapper: Group mismatch error. Mailman expected the mail wrapper script to be executed as one of the following groups: [mail, postfix, mailman, nobody, daemon], but the system's mail server executed the mail script as group: "root". Try tweaking the mail server to run the script as one of these groups: [mail, postfix, mailman, nobody, daemon], or re-run configure providing the command line option: '--with-mail-gid=root'. Aug 1 13:25:01 list postfix/pickup[2498]: C122C8604E0: uid=41 from= Aug 1 13:25:01 list postfix/cleanup[2767]: C122C8604E0: message-id= Aug 1 13:25:01 list postfix/qmgr[2499]: C122C8604E0: from=, size=625, nrcpt=1 (queue active) Aug 1 13:25:02 list postfix/local[2769]: C122C8604E0: to=, orig_to=, relay=local, delay=0.51, delays=0.25/0.05/0/0.21, dsn=2.0.0, status=sent (delivered to command: /usr/lib/mailman/mail/mailman post mailman) Aug 1 13:25:02 list postfix/qmgr[2499]: C122C8604E0: removed Aug 1 13:25:04 list postfix/smtpd[2771]: connect from localhost.localdomain[127.0.0.1] Aug 1 13:25:04 list postfix/smtpd[2771]: 792BE8604DD: client=localhost.localdomain[127.0.0.1] Aug 1 13:25:04 list postfix/cleanup[2767]: 792BE8604DD: message-id= Aug 1 13:25:04 list postfix/qmgr[2499]: 792BE8604DD: from=, size=1952, nrcpt=1 (queue active) Aug 1 13:25:04 list postfix/smtpd[2771]: disconnect from localhost.localdomain[127.0.0.1] Aug 1 13:25:04 list postfix/local[2769]: 792BE8604DD: to=, relay=local, delay=0.07, delays=0.01/0/0/0.06, dsn=2.0.0, status=sent (delivered to maildir) Aug 1 13:25:04 list postfix/qmgr[2499]: 792BE8604DD: removed Aug 1 13:26:19 list postfix/pickup[2498]: C49B88604E0: uid=0 from= Aug 1 13:26:19 list postfix/cleanup[2767]: C49B88604E0: message-id= Aug 1 13:26:19 list postfix/qmgr[2499]: C49B88604E0: from=, size=418, nrcpt=1 (queue active) Aug 1 13:26:20 list postfix/local[2769]: C49B88604E0: to=, relay=local, delay=0.28, delays=0.1/0/0/0.18, dsn=2.0.0, status=sent (delivered to command: /usr/lib/mailman/mail/mailman post test) Aug 1 13:26:20 list postfix/qmgr[2499]: C49B88604E0: removed
Finally I exit root and go back to being a user and I do: /usr/lib/mailman/mail/mailman post test Group mismatch error. Mailman expected the mail wrapper script to be executed as one of the following groups: [mail, postfix, mailman, nobody, daemon], but the system's mail server executed the mail script as group: "user". Try tweaking the mail server to run the script as one of these groups: [mail, postfix, mailman, nobody, daemon], or re-run configure providing the command line option: '--with-mail-gid=user'.
Thanks, Greg
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Greg White wrote:
Mark wrote:
The above looks good. what is the exact group mismatch error message you get in the DSN and/or maillog when you mail to test@list.xyz.com?
To send the test message I sshd into my box as user, su - to root, and did: # /usr/lib/mailman/mail/mailman post test Group mismatch error. Mailman expected the mail wrapper script to be executed as one of the following groups: [mail, postfix, mailman, nobody, daemon], but the system's mail server executed the mail script as group: "root". Try tweaking the mail server to run the script as one of these groups: [mail, postfix, mailman, nobody, daemon], or re-run configure providing the command line option: '--with-mail-gid=root'.
As I said in an earlier post, this means nothing. It only says that root can't run the wrapper, but says nothing about Postfix running the wrapper.
I then use mutt (still as root) to send an email and this is what I see in /var/log/maillog Aug 1 13:21:44 list postfix/postfix-script: starting the Postfix mail system Aug 1 13:21:44 list postfix/master[2494]: daemon started -- version 2.3.3, configuration /etc/postfix Aug 1 13:22:23 list Mailman mail-wrapper: Group mismatch error. Mailman expected the mail wrapper script to be executed as one of the following groups: [mail, postfix, mailman, nobody, daemon], but the system's mail server executed the mail script as group: "root". Try tweaking the mail server to run the script as one of these groups: [mail, postfix, mailman, nobody, daemon], or re-run configure providing the command line option: '--with-mail-gid=root'.
OK. This one is meaningful. It says Postfix is trying to run the wrapper as root (or does it?), and that is a problem. See below for more.
Finally I exit root and go back to being a user and I do: /usr/lib/mailman/mail/mailman post test Group mismatch error. Mailman expected the mail wrapper script to be executed as one of the following groups: [mail, postfix, mailman, nobody, daemon], but the system's mail server executed the mail script as group: "user". Try tweaking the mail server to run the script as one of these groups: [mail, postfix, mailman, nobody, daemon], or re-run configure providing the command line option: '--with-mail-gid=user'.
Again, this one is not relevant. If you do
sudo -u mailman /usr/lib/mailman/mail/mailman post test
it should work. That is also what Postfix should be doing.
Earlier you said -
# ls -lhZ /etc/mailman/aliases* -rw-rw---- root mailman user_u:object_r:mailman_data_t /etc/mailman/aliases -rw-rw-r-- mailman mailman user_u:object_r:mailman_data_t /etc/mailman/aliases.db
I.e. the aliases.db is owned by 'mailman'. Also, Postfix's 'man 8 local' says in part
DELIVERY RIGHTS Deliveries to external files and external commands are made with the rights of the receiving user on whose behalf the delivery is made. In the absence of a user context, the local(8) daemon uses the owner rights of the :include: file or alias database. When those files are owned by the superuser, delivery is made with the rights specified with the default_privs configuration parameter.
This says that Postfix executes the wrapper as the user who owns the alias database in which the pipe to the wrapper is found which is mailman, not root.
Do you have Mailman aliases in /etc/aliases too? Even that shouldn't cause this problem as (you said) /etc/aliases.db is owned by root and that should cause Postfix to execute any pipes found there as the default-privs user which is normally 'nobody'.
This appears to be a Postfix issue of some kind, or perhaps not.
How is mutt delivering mail? In your log excerpt I only see
Aug 1 13:21:44 list postfix/postfix-script: starting the Postfix mail system Aug 1 13:21:44 list postfix/master[2494]: daemon started -- version 2.3.3, configuration /etc/postfix Aug 1 13:22:23 list Mailman mail-wrapper: Group mismatch error. Mailman expected the mail wrapper script to be executed as one of the following groups: [mail, postfix, mailman, nobody, daemon], but the system's mail server executed the mail script as group: "root". Try tweaking the mail server to run the script as one of these groups: [mail, postfix, mailman, nobody, daemon], or re-run configure providing the command line option: '--with-mail-gid=root'.
I see nothing preceding this that indicates Postfix received the mail and tried to pipe it to the wrapper. I only see over two minutes later
Aug 1 13:25:01 list postfix/pickup[2498]: C122C8604E0: uid=41 from= Aug 1 13:25:01 list postfix/cleanup[2767]: C122C8604E0: message-id= Aug 1 13:25:01 list postfix/qmgr[2499]: C122C8604E0: from=, size=625, nrcpt=1 (queue active) Aug 1 13:25:02 list postfix/local[2769]: C122C8604E0: to=, orig_to=, relay=local, delay=0.51, delays=0.25/0.05/0/0.21, dsn=2.0.0, status=sent >(delivered to command: /usr/lib/mailman/mail/mailman post mailman) Aug 1 13:25:02 list postfix/qmgr[2499]: C122C8604E0: removed
Which looks like a successful delivery to me. Is Mailman running? Is this message in qfiles/in? What happened to it?
-- Mark Sapiro <mark@msapiro.net> The highway is for gamblers, San Francisco Bay Area, California better use your sense - B. Dylan
Greg White wrote:
I then use mutt (still as root) to send an email and this is what I see in /var/log/maillog Aug 1 13:21:44 list postfix/postfix-script: starting the Postfix mail system Aug 1 13:21:44 list postfix/master[2494]: daemon started -- version 2.3.3, configuration /etc/postfix Aug 1 13:22:23 list Mailman mail-wrapper: Group mismatch error. Mailman expected the mail wrapper script to be executed as one of the following groups: [mail, postfix, mailman, nobody, daemon], but the system's mail server executed the mail script as group: "root". Try tweaking the mail server to run the script as one of these groups: [mail, postfix, mailman, nobody, daemon], or re-run configure providing the command line option: '--with-mail-gid=root'.
Now that I've thought about this a bit more, I think I see it more clearly. To summarize, the above message was written by the wrapper itself when you ran it from the command line as root.
Aug 1 13:25:01 list postfix/pickup[2498]: C122C8604E0: uid=41 from= Aug 1 13:25:01 list postfix/cleanup[2767]: C122C8604E0: message-id= Aug 1 13:25:01 list postfix/qmgr[2499]: C122C8604E0: from=, size=625, nrcpt=1 (queue active) Aug 1 13:25:02 list postfix/local[2769]: C122C8604E0: to=, orig_to=, relay=local, delay=0.51, delays=0.25/0.05/0/0.21, dsn=2.0.0, status=sent (delivered to command: /usr/lib/mailman/mail/mailman post mailman) Aug 1 13:25:02 list postfix/qmgr[2499]: C122C8604E0: removed
And these messages indicate a successful delivery to the wrapper by Postfix with no group mismatch error of the message you sent with mutt.
So you don't have a group mismatch problem. The only group mismatch errors occur when you run the wrapper by hand as the 'wrong' user which is supposed to produce the group mismatch error so everything is working.
If your posts are not reaching the 'mailman' list, there is some reason other than aliases or group mismatch for it. See the FAQ at <http://wiki.list.org/x/A4E9>.
-- Mark Sapiro <mark@msapiro.net> The highway is for gamblers, San Francisco Bay Area, California better use your sense - B. Dylan
On 1-Aug-2009, at 12:43, Greg White wrote:
To send the test message I sshd into my box as user, su - to root,
and did: # /usr/lib/mailman/mail/mailman post test Group mismatch error. Mailman expected the mail wrapper script to be executed as one of the following groups: [mail, postfix, mailman, nobody, daemon], but the system's mail server executed the mail script as group:
"root". Try tweaking the mail server to run the script as one of these groups: [mail, postfix, mailman, nobody, daemon], or re-run configure providing the command line option: '--with-mail-gid=root'.
Right. The error message is quite clear. Why do you think running the
command as root WOULD work?
try su mailman ( or sudo -u mailman ) and then run the command.
I then use mutt (still as root) to send an email and this is what I
see in /var/log/maillog
Sent an email to what, exactly? the list?
Aug 1 13:21:44 list postfix/postfix-script: starting the Postfix
mail system Aug 1 13:21:44 list postfix/master[2494]: daemon started -- version
2.3.3, configuration /etc/postfix Aug 1 13:22:23 list Mailman mail-wrapper: Group mismatch error.
Mailman expected the mail wrapper script to be executed as one of
the following groups: [mail, postfix, mailman, nobody, daemon], but
the system's mail server executed the mail script as group: "root".
Try tweaking the mail server to run the script as one of these
groups: [mail, postfix, mailman, nobody, daemon], or re-run
configure providing the command line option: '--with-mail-gid=root'.
This looks like test attempt above.
Aug 1 13:25:02 list postfix/local[2769]: C122C8604E0: to=,
orig_to=, relay=local, delay=0.51, delays=0.25/0.05/0/0.21,
dsn=2.0.0, status=sent (delivered to command: /usr/lib/mailman/mail/ mailman post mailman)
That worked. Mailman is configured correctly.
Finally I exit root and go back to being a user and I do: /usr/lib/mailman/mail/mailman post test
And why do you think that would work? Again, the error message is
quite clear.
What is the problem? It looks to me like everything is working properly.
-- Do not meddle in the affairs of Dragons for you are crunchy and taste good with ketchup
Mark wrote:
Greg White wrote:
Mark wrote:
The above looks good. what is the exact group mismatch error message
you get in the DSN and/or maillog when you mail to test@list.xyz.com?
To send the test message I sshd into my box as user, su - to root, and did:
# /usr/lib/mailman/mail/mailman post test
Group mismatch error. Mailman expected the mail wrapper script to be
executed as one of the following groups:
[mail, postfix, mailman, nobody, daemon],
but the system's mail server executed the mail script as group: "root".
Try tweaking the mail server to run the script as one of these groups:
[mail, postfix, mailman, nobody, daemon],
or re-run configure providing the command line option:
'--with-mail-gid=root'.
As I said in an earlier post, this means nothing. It only says that
root can't run the wrapper, but says nothing about Postfix running the
wrapper.
If this means nothing then way is it displayed? It is a worrysome message for the first time maillist admin.
I then use mutt (still as root) to send an email and this is what I see in /var/log/maillog
Aug 1 13:21:44 list postfix/postfix-script: starting the Postfix mail system
Aug 1 13:21:44 list postfix/master[2494]: daemon started -- version 2.3.3, configuration /etc/postfix
Aug 1 13:22:23 list Mailman mail-wrapper: Group mismatch error. Mailman expected the mail wrapper script to be executed as one of the following groups: [mail, postfix, mailman, nobody, daemon], but the system's mail server executed the mail script as group: "root". Try tweaking the mail server to run the script as one of these groups: [mail, postfix, mailman, nobody, daemon], or re-run configure providing the command line option: '--with-mail-gid=root'.
OK. This one is meaningful. It says Postfix is trying to run the
wrapper as root (or does it?), and that is a problem. See below for
more.
Finally I exit root and go back to being a user and I do:
/usr/lib/mailman/mail/mailman post test
Group mismatch error. Mailman expected the mail wrapper script to be
executed as one of the following groups:
[mail, postfix, mailman, nobody, daemon],
but the system's mail server executed the mail script as group: "user".
Try tweaking the mail server to run the script as one of these groups:
[mail, postfix, mailman, nobody, daemon],
or re-run configure providing the command line option:
'--with-mail-gid=user'.
Again, this one is not relevant. If you do
sudo -u mailman /usr/lib/mailman/mail/mailman post test
it should work. That is also what Postfix should be doing.
Earlier you said -
# ls -lhZ /etc/mailman/aliases*
-rw-rw---- root mailman user_u:object_r:mailman_data_t /etc/mailman/aliases
-rw-rw-r-- mailman mailman user_u:object_r:mailman_data_t /etc/mailman/aliases.db
I.e. the aliases.db is owned by 'mailman'. Also, Postfix's 'man 8
local' says in part
DELIVERY RIGHTS
Deliveries to external files and external commands are made
with the
rights of the receiving user on whose behalf the delivery is
made. In
the absence of a user context, the local(8) daemon uses the
owner
rights of the :include: file or alias database. When those
files are
owned by the superuser, delivery is made with the rights
specified with
the default_privs configuration parameter.
This says that Postfix executes the wrapper as the user who owns the
alias database in which the pipe to the wrapper is found which is
mailman, not root.
Do you have Mailman aliases in /etc/aliases too? Even that shouldn't
cause this problem as (you said) /etc/aliases.db is owned by root and
that should cause Postfix to execute any pipes found there as the
default-privs user which is normally 'nobody'.
This appears to be a Postfix issue of some kind, or perhaps not.
How is mutt delivering mail? In your log excerpt I only see
Aug 1 13:21:44 list postfix/postfix-script: starting the Postfix mail system
Aug 1 13:21:44 list postfix/master[2494]: daemon started -- version 2.3.3, configuration /etc/postfix
Aug 1 13:22:23 list Mailman mail-wrapper: Group mismatch error. Mailman expected the mail wrapper script to be executed as one of the following groups: [mail, postfix, mailman, nobody, daemon], but the system's mail server executed the mail script as group: "root". Try tweaking the mail server to run the script as one of these groups: [mail, postfix, mailman, nobody, daemon], or re-run configure providing the command line option: '--with-mail-gid=root'.
I see nothing preceding this that indicates Postfix received the mail
and tried to pipe it to the wrapper. I only see over two minutes later
Aug 1 13:25:01 list postfix/pickup[2498]: C122C8604E0: uid=41 from=
Aug 1 13:25:01 list postfix/cleanup[2767]: C122C8604E0: message-id=
Aug 1 13:25:01 list postfix/qmgr[2499]: C122C8604E0: from=, size=625, nrcpt=1 (queue active)
Aug 1 13:25:02 list postfix/local[2769]: C122C8604E0: to=, orig_to=, relay=local, delay=0.51, delays=0.25/0.05/0/0.21, dsn=2.0.0, status=sent (delivered to command: /usr/lib/mailman/mail/mailman post mailman)
Aug 1 13:25:02 list postfix/qmgr[2499]: C122C8604E0: removed
Which looks like a successful delivery to me. Is Mailman running? Is
this message in qfiles/in? What happened to it?
No there are no mailman aliases in the /etc/aliases file. Mutt should be using the local postfix server to send the message. I checked /etc/Muttrc and there is no setting for smtp.
Mailman is running. Logging in as root and doing:
# su mailman /usr/lib/mailman/mail/mailman post test
This account is currently not available.
# sudo -u mailman /usr/lib/mailman/mail/mailman post test
The system just sits there and does nothing. There is only 1 account signed up for the mail list so it should take 10 minutes to do something. It has been 10 minutes since I pressed enter and nothing has happened. I waited 30 minutes and pressed Ctrl-C. This is what I saw:Traceback (most recent call last): File "/usr/lib/mailman/scripts/post", line 69, in ? main() File "/usr/lib/mailman/scripts/post", line 62, in main inq.enqueue(sys.stdin.read(), KeyboardInterrupt
How am I supposed to post to the maillist if I can't do it from root or a user account. I can't login into the system as mailman:
# cat /etc/passwd
mailman:x:41:41:GNU Mailing List Manager:/usr/lib/mailman:/sbin/nologin
The following is everything from the /var/log/maillog since I turn the PC on
this morning:
Aug 3 08:24:18 list postfix/postfix-script: starting the Postfix mail
system
Aug 3 08:24:18 list postfix/master[2468]: daemon started -- version
2.3.3, configuration /etc/postfix
Aug 3 08:25:02 list postfix/pickup[2472]: 38DFD8604E0: uid=41
from=
Aug 3 08:25:02 list postfix/cleanup[2711]: 38DFD8604E0:
message-id=
Aug 3 08:25:02 list postfix/qmgr[2473]: 38DFD8604E0: from=,
size=625, nrcpt=1 (queue active)
Aug 3 08:25:02 list postfix/local[2713]: 38DFD8604E0: to=,
orig_to=, relay=local, delay=0.56, delays=0.28/0.05/0/0.23,
dsn=2.0.0, status=sent (delivered to command: /usr/lib/mailman/mail/mailman
post mailman)
Aug 3 08:25:02 list postfix/qmgr[2473]: 38DFD8604E0: removed
Aug 3 08:25:03 list postfix/smtpd[2715]: connect from
localhost.localdomain[127.0.0.1]
Aug 3 08:25:03 list postfix/smtpd[2715]: BEB718604DD:
client=localhost.localdomain[127.0.0.1]
Aug 3 08:25:03 list postfix/cleanup[2711]: BEB718604DD:
message-id=
Aug 3 08:25:03 list postfix/qmgr[2473]: BEB718604DD:
from=, size=1952, nrcpt=1 (queue active)
Aug 3 08:25:03 list postfix/smtpd[2715]: disconnect from
localhost.localdomain[127.0.0.1]
Aug 3 08:25:03 list postfix/local[2713]: BEB718604DD: to=,
relay=local, delay=0.09, delays=0.01/0/0/0.07, dsn=2.0.0, status=sent
(delivered to maildir)
Aug 3 08:25:03 list postfix/qmgr[2473]: BEB718604DD: removed
Aug 3 08:30:01 list postfix/pickup[2472]: 694258604E0: uid=41
from=
Aug 3 08:30:01 list postfix/cleanup[2723]: 694258604E0:
message-id=
Aug 3 08:30:01 list postfix/qmgr[2473]: 694258604E0: from=,
size=625, nrcpt=1 (queue active)
Aug 3 08:30:01 list postfix/local[2725]: 694258604E0: to=,
orig_to=, relay=local, delay=0.31, delays=0.14/0.01/0/0.16,
dsn=2.0.0, status=sent (delivered to command: /usr/lib/mailman/mail/mailman
post mailman)
Aug 3 08:30:01 list postfix/qmgr[2473]: 694258604E0: removed
Aug 3 08:30:02 list postfix/smtpd[2727]: connect from localhost.localdomain[127.0.0.1]
Aug 3 08:30:02 list postfix/smtpd[2727]: DCB7F8604DD:
client=localhost.localdomain[127.0.0.1]
Aug 3 08:30:02 list postfix/cleanup[2723]: DCB7F8604DD:
message-id=
Aug 3 08:30:02 list postfix/qmgr[2473]: DCB7F8604DD:
from=, size=1952, nrcpt=1 (queue active)
Aug 3 08:30:02 list postfix/smtpd[2727]: disconnect from
localhost.localdomain[127.0.0.1]
Aug 3 08:30:02 list postfix/local[2725]: DCB7F8604DD: to=,
relay=local, delay=0.02, delays=0.01/0.01/0/0, dsn=2.0.0, status=sent
(delivered to maildir)
Aug 3 08:30:02 list postfix/qmgr[2473]: DCB7F8604DD: removed
Aug 3 08:35:01 list postfix/pickup[2472]: 92E238604E0: uid=41
from=
Aug 3 08:35:01 list postfix/cleanup[2735]: 92E238604E0:
message-id=
Aug 3 08:35:01 list postfix/qmgr[2473]: 92E238604E0: from=,
size=625, nrcpt=1 (queue active)
Aug 3 08:35:01 list postfix/local[2737]: 92E238604E0: to=,
orig_to=, relay=local, delay=0.41, delays=0.13/0.01/0/0.27,
dsn=2.0.0, status=sent (delivered to command: /usr/lib/mailman/mail/mailman
post mailman)
Aug 3 08:35:01 list postfix/qmgr[2473]: 92E238604E0: removed
Aug 3 08:35:02 list postfix/smtpd[2739]: connect from
localhost.localdomain[127.0.0.1]
Aug 3 08:35:02 list postfix/smtpd[2739]: E853B8604DD:
client=localhost.localdomain[127.0.0.1]
Aug 3 08:35:02 list postfix/cleanup[2735]: E853B8604DD:
message-id=
Aug 3 08:35:02 list postfix/qmgr[2473]: E853B8604DD:
from=, size=1952, nrcpt=1 (queue active)
Aug 3 08:35:02 list postfix/smtpd[2739]: disconnect from localhost.localdomain[127.0.0.1]
Aug 3 08:35:02 list postfix/local[2737]: E853B8604DD: to=,
relay=local, delay=0.02, delays=0.01/0.01/0/0, dsn=2.0.0, status=sent
(delivered to maildir)
Aug 3 08:35:02 list postfix/qmgr[2473]: E853B8604DD: removed
Aug 3 08:40:02 list postfix/pickup[2472]: 1E5398604F5: uid=41
from=
Aug 3 08:40:02 list postfix/cleanup[2836]: 1E5398604F5:
message-id=
Aug 3 08:40:02 list postfix/qmgr[2473]: 1E5398604F5: from=,
size=625, nrcpt=1 (queue active)
Aug 3 08:40:02 list postfix/local[2838]: 1E5398604F5: to=,
orig_to=, relay=local, delay=0.43, delays=0.25/0.01/0/0.17,
dsn=2.0.0, status=sent (delivered to command: /usr/lib/mailman/mail/mailman
post mailman)
Aug 3 08:40:02 list postfix/qmgr[2473]: 1E5398604F5: removed
Aug 3 08:40:04 list postfix/smtpd[2840]: connect from
localhost.localdomain[127.0.0.1]
Aug 3 08:40:05 list postfix/smtpd[2840]: 00ED08604E3: client=localhost.localdomain[127.0.0.1]
Aug 3 08:40:05 list postfix/cleanup[2836]: 00ED08604E3:
message-id=
Aug 3 08:40:05 list postfix/qmgr[2473]: 00ED08604E3:
from=, size=1952, nrcpt=1 (queue active)
Aug 3 08:40:05 list postfix/smtpd[2840]: disconnect from
localhost.localdomain[127.0.0.1]
Aug 3 08:40:05 list postfix/local[2838]: 00ED08604E3: to=,
relay=local, delay=0.02, delays=0.01/0.01/0/0, dsn=2.0.0, status=sent
(delivered to maildir)
Aug 3 08:40:05 list postfix/qmgr[2473]: 00ED08604E3: removed
Aug 3 08:45:01 list postfix/pickup[2472]: 64CBB8604F5: uid=41 from=
Aug 3 08:45:01 list postfix/cleanup[2923]: 64CBB8604F5: message-id=
Aug 3 08:45:01 list postfix/qmgr[2473]: 64CBB8604F5: from=, size=625, nrcpt=1 (queue active)
Aug 3 08:45:01 list postfix/local[2925]: 64CBB8604F5: to=, orig_to=, relay=local, delay=0.29, delays=0.12/0.01/0/0.16, dsn=2.0.0, status=sent (delivered to command: /usr/lib/mailman/mail/mailman post mailman)
Aug 3 08:45:01 list postfix/qmgr[2473]: 64CBB8604F5: removed
Aug 3 08:45:04 list postfix/smtpd[2927]: connect from localhost.localdomain[127.0.0.1]
Aug 3 08:45:04 list postfix/smtpd[2927]: 0EA3D8604E3: client=localhost.localdomain[127.0.0.1]
Aug 3 08:45:04 list postfix/cleanup[2923]: 0EA3D8604E3: message-id=
Aug 3 08:45:04 list postfix/qmgr[2473]: 0EA3D8604E3: from=, size=1952, nrcpt=1 (queue active)
Aug 3 08:45:04 list postfix/smtpd[2927]: disconnect from localhost.localdomain[127.0.0.1]
Aug 3 08:45:04 list postfix/local[2925]: 0EA3D8604E3: to=, relay=local, delay=0.03, delays=0.01/0/0/0.01, dsn=2.0.0, status=sent (delivered to maildir)
Aug 3 08:45:04 list postfix/qmgr[2473]: 0EA3D8604E3: removed
Aug 3 08:50:01 list postfix/pickup[2472]: AAA1E8604F5: uid=41 from=
Aug 3 08:50:01 list postfix/cleanup[2936]: AAA1E8604F5: message-id=
Aug 3 08:50:01 list postfix/qmgr[2473]: AAA1E8604F5: from=, size=625, nrcpt=1 (queue active)
Aug 3 08:50:01 list postfix/local[2938]: AAA1E8604F5: to=, orig_to=, relay=local, delay=0.3, delays=0.13/0.01/0/0.16, dsn=2.0.0, status=sent (delivered to command: /usr/lib/mailman/mail/mailman post mailman)
Aug 3 08:50:01 list postfix/qmgr[2473]: AAA1E8604F5: removed
Aug 3 08:50:04 list postfix/smtpd[2940]: connect from localhost.localdomain[127.0.0.1]
Aug 3 08:50:04 list postfix/smtpd[2940]: 1C3DA8604E3: client=localhost.localdomain[127.0.0.1]
Aug 3 08:50:04 list postfix/cleanup[2936]: 1C3DA8604E3: message-id=
Aug 3 08:50:04 list postfix/qmgr[2473]: 1C3DA8604E3: from=, size=1952, nrcpt=1 (queue active)
Aug 3 08:50:04 list postfix/smtpd[2940]: disconnect from localhost.localdomain[127.0.0.1]
Aug 3 08:50:04 list postfix/local[2938]: 1C3DA8604E3: to=, relay=local, delay=0.02, delays=0.01/0/0/0.01, dsn=2.0.0, status=sent (delivered to maildir)
Aug 3 08:50:04 list postfix/qmgr[2473]: 1C3DA8604E3: removed
Windows Live™: Keep your life in sync. http://windowslive.com/explore?ocid=PID23384::T:WLMTAGL:ON:WL:en-US:NF_BR_sy...
Mark wrote:
Greg White wrote:
I then use mutt (still as root) to send an email and this is what I see in /var/log/maillog Aug 1 13:21:44 list postfix/postfix-script: starting the Postfix mail system Aug 1 13:21:44 list postfix/master[2494]: daemon started -- version 2.3.3, configuration /etc/postfix Aug 1 13:22:23 list Mailman mail-wrapper: Group mismatch error. Mailman expected the mail wrapper script to be executed as one of the following groups: [mail, postfix, mailman, nobody, daemon], but the system's mail server executed the mail script as group: "root". Try tweaking the mail server to run the script as one of these groups: [mail, postfix, mailman, nobody, daemon], or re-run configure providing the command line option: '--with-mail-gid=root'.
Now that I've thought about this a bit more, I think I see it more clearly. To summarize, the above message was written by the wrapper itself when you ran it from the command line as root.
Aug 1 13:25:01 list postfix/pickup[2498]: C122C8604E0: uid=41 from= Aug 1 13:25:01 list postfix/cleanup[2767]: C122C8604E0: message-id= Aug 1 13:25:01 list postfix/qmgr[2499]: C122C8604E0: from=, size=625, nrcpt=1 (queue active) Aug 1 13:25:02 list postfix/local[2769]: C122C8604E0: to=, orig_to=, relay=local, delay=0.51, delays=0.25/0.05/0/0.21, dsn=2.0.0, status=sent (delivered to command: /usr/lib/mailman/mail/mailman post mailman) Aug 1 13:25:02 list postfix/qmgr[2499]: C122C8604E0: removed
And these messages indicate a successful delivery to the wrapper by Postfix with no group mismatch error of the message you sent with mutt.
So you don't have a group mismatch problem. The only group mismatch errors occur when you run the wrapper by hand as the 'wrong' user which is supposed to produce the group mismatch error so everything is working.
If your posts are not reaching the 'mailman' list, there is some reason other than aliases or group mismatch for it. See the FAQ at
/usr/lib/mailman/bin/check_perms
Warning: Private archive directory is other-executable (o+x). This could allow other users on your system to read private archives. If you're on a shared multiuser system, you should consult the installation manual on how to fix this. No problems found
2a) # ps aux |grep cron |grep -v grep root 2503 0.0 0.1 5288 1208 ? Ss 08:24 0:00 crond root 2519 0.0 0.0 1668 624 ? SNs 08:24 0:00 anacron -s
2b) # ps auxww| grep mailmanctl |grep -v grep mailman 2615 0.0 0.5 13060 4880 ? Ss 08:24 0:00 /usr/bin/python /usr/lib/mailman/bin/mailmanctl -s -q start
grep wrapper /etc/aliases
no results # grep mailman /etc/aliases no results
Since my aliases aren't in /etc/aliases I ran the following too: # grep wrapper /etc/mailman/aliases no results
# grep mailman /etc/mailman/aliases mailman-loop: /var/lib/mailman/data/owner-bounces.mbox # STANZA START: mailman mailman: "|/usr/lib/mailman/mail/mailman post mailman" mailman-admin: "|/usr/lib/mailman/mail/mailman admin mailman" mailman-bounces: "|/usr/lib/mailman/mail/mailman bounces mailman" mailman-confirm: "|/usr/lib/mailman/mail/mailman confirm mailman" mailman-join: "|/usr/lib/mailman/mail/mailman join mailman" mailman-leave: "|/usr/lib/mailman/mail/mailman leave mailman" mailman-owner: "|/usr/lib/mailman/mail/mailman owner mailman" mailman-request: "|/usr/lib/mailman/mail/mailman request mailman" mailman-subscribe: "|/usr/lib/mailman/mail/mailman subscribe mailman" mailman-unsubscribe: "|/usr/lib/mailman/mail/mailman unsubscribe mailman" # STANZA END: mailman test: "|/usr/lib/mailman/mail/mailman post test" test-admin: "|/usr/lib/mailman/mail/mailman admin test" test-bounces: "|/usr/lib/mailman/mail/mailman bounces test" test-confirm: "|/usr/lib/mailman/mail/mailman confirm test" test-join: "|/usr/lib/mailman/mail/mailman join test" test-leave: "|/usr/lib/mailman/mail/mailman leave test" test-owner: "|/usr/lib/mailman/mail/mailman owner test" test-request: "|/usr/lib/mailman/mail/mailman request test" test-subscribe: "|/usr/lib/mailman/mail/mailman subscribe test" test-unsubscribe: "|/usr/lib/mailman/mail/mailman unsubscribe test"
- Not applicable as sendmail is not installed.
- Not applicable as sendmail is not installed.
6a) not applicable as I am using 2.1.9-4.el5 6b) no command to run 7) I can't find the locks. 8) #cat /var/log/mailman/smtp Aug 03 08:25:03 2009 (2622) smtp to mailman for 1 recips, completed in 0.101 seconds Aug 03 08:30:02 2009 (2622) smtp to mailman for 1 recips, completed in 0.040 seconds Aug 03 08:35:02 2009 (2622) smtp to mailman for 1 recips, completed in 0.040 seconds Aug 03 08:40:05 2009 (2622) smtp to mailman for 1 recips, completed in 0.039 seconds Aug 03 08:45:04 2009 (2622) smtp to mailman for 1 recips, completed in 0.042 seconds Aug 03 08:50:04 2009 (2622) smtp to mailman for 1 recips, completed in 0.041 seconds Aug 03 08:55:04 2009 (2622) smtp to mailman for 1 recips, completed in 0.040 seconds Aug 03 09:00:04 2009 (2622) smtp to mailman for 1 recips, completed in 0.041 seconds Aug 03 09:00:04 2009 (2622) smtp to mailman for 1 recips, completed in 0.052 seconds Aug 03 09:05:03 2009 (2622) smtp to mailman for 1 recips, completed in 0.041 seconds Aug 03 09:10:03 2009 (2622) smtp to mailman for 1 recips, completed in 0.041 seconds Aug 03 09:15:04 2009 (2622) smtp to mailman for 1 recips, completed in 0.041 seconds Aug 03 09:20:04 2009 (2622) smtp to mailman for 1 recips, completed in 0.041 seconds Aug 03 09:25:04 2009 (2622) smtp to mailman for 1 recips, completed in 0.042 seconds
#cat /var/log/mailman/qrunner Aug 03 08:24:27 2009 (2617) ArchRunner qrunner started. Aug 03 08:24:27 2009 (2620) IncomingRunner qrunner started. Aug 03 08:24:27 2009 (2619) CommandRunner qrunner started. Aug 03 08:24:27 2009 (2623) VirginRunner qrunner started. Aug 03 08:24:27 2009 (2625) RetryRunner qrunner started. Aug 03 08:24:27 2009 (2621) NewsRunner qrunner started. Aug 03 08:24:27 2009 (2618) BounceRunner qrunner started. Aug 03 08:24:27 2009 (2622) OutgoingRunner qrunner started.
The rest were empty or didn't exist.
- All folders are empty.
- I added SMTPHOST='127.0.0.1' to my mm_cfy.py, restarted mailman, service stop mailman, service start mailman, tried sudo -u mailman /usr/lib/mailman/mail/mailman post sjpd and it still didn't do anything.
- No mm-handler found
Thanks,
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kremels@kreme.com wrote: On 1-Aug-2009, at 12:43, Greg White wrote:
To send the test message I sshd into my box as user, su - to root, and did: # /usr/lib/mailman/mail/mailman post test Group mismatch error. Mailman expected the mail wrapper script to be executed as one of the following groups: [mail, postfix, mailman, nobody, daemon], but the system's mail server executed the mail script as group: "root". Try tweaking the mail server to run the script as one of these groups: [mail, postfix, mailman, nobody, daemon], or re-run configure providing the command line option: '--with-mail-gid=root'.
Right. The error message is quite clear. Why do you think running the command as root WOULD work?
try su mailman ( or sudo -u mailman ) and then run the command.
Since the mailman account on a centos and redhat system is setup as nologin how else would you send a post?
I then use mutt (still as root) to send an email and this is what I see in /var/log/maillog
Sent an email to what, exactly? the list?
I tried to post a message to the list. I started mutt, pressed m, to: test@xyz.com, subject test, wrote this is a test :wq, pressed y to send.
Aug 1 13:21:44 list postfix/postfix-script: starting the Postfix mail system Aug 1 13:21:44 list postfix/master[2494]: daemon started -- version 2.3.3, configuration /etc/postfix Aug 1 13:22:23 list Mailman mail-wrapper: Group mismatch error. Mailman expected the mail wrapper script to be executed as one of the following groups: [mail, postfix, mailman, nobody, daemon], but the system's mail server executed the mail script as group: "root". Try tweaking the mail server to run the script as one of these groups: [mail, postfix, mailman, nobody, daemon], or re-run configure providing the command line option: '--with-mail-gid=root'.
This looks like test attempt above.
Aug 1 13:25:02 list postfix/local[2769]: C122C8604E0: to=, orig_to=, relay=local, delay=0.51, delays=0.25/0.05/0/0.21, dsn=2.0.0, status=sent (delivered to command: /usr/lib/mailman/mail/ mailman post mailman)
That worked. Mailman is configured correctly.
Finally I exit root and go back to being a user and I do: /usr/lib/mailman/mail/mailman post test
And why do you think that would work? Again, the error message is quite clear.
What is the problem? It looks to me like everything is working properly.
If the mailman user can't login can I post to the list?
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Greg White wrote:
Mark wrote:
Greg White wrote:
To send the test message I sshd into my box as user, su - to root, and did:
# /usr/lib/mailman/mail/mailman post test
Group mismatch error. Mailman expected the mail wrapper script to be executed as one of the following groups: [mail, postfix, mailman, nobody, daemon], but the system's mail server executed the mail script as group: "root". Try tweaking the mail server to run the script as one of these groups: [mail, postfix, mailman, nobody, daemon], or re-run configure providing the command line option: '--with-mail-gid=root'.
As I said in an earlier post, this means nothing. It only says that root can't run the wrapper, but says nothing about Postfix running the wrapper.
If this means nothing then way is it displayed? It is a worrysome message for the first time maillist admin.
It is displayed because you ran the wrapper from the command line as root and root's group is not allowed to run the wrapper.
It means nothing because that is not how mail is delivered to Mailman. Mail is delivered by the MTA executing the wrapper, so the only meaningful test is to run the wrapper as the same group that the MTA runs it.
[...]
How is mutt delivering mail? In your log excerpt I only see
Aug 1 13:21:44 list postfix/postfix-script: starting the Postfix mail system Aug 1 13:21:44 list postfix/master[2494]: daemon started -- version 2.3.3, configuration /etc/postfix Aug 1 13:22:23 list Mailman mail-wrapper: Group mismatch error. Mailman expected the mail wrapper script to be executed as one of the following groups: [mail, postfix, mailman, nobody, daemon], but the system's mail server executed the mail script as group: "root". Try tweaking the mail server to run the script as one of these groups: [mail, postfix, mailman, nobody, daemon], or re-run configure providing the command line option: '--with-mail-gid=root'.
I see nothing preceding this that indicates Postfix received the mail and tried to pipe it to the wrapper. I only see over two minutes later
And as I said in a follow-up post and LuKreme said in a reply, the above log message was logged by the wrapper when you ran it by hand as root.
Aug 1 13:25:01 list postfix/pickup[2498]: C122C8604E0: uid=41 from= Aug 1 13:25:01 list postfix/cleanup[2767]: C122C8604E0: message-id= Aug 1 13:25:01 list postfix/qmgr[2499]: C122C8604E0: from=, size=625, nrcpt=1 (queue active) Aug 1 13:25:02 list postfix/local[2769]: C122C8604E0: to=, orig_to=, relay=local, delay=0.51, delays=0.25/0.05/0/0.21, dsn=2.0.0, status=sent (delivered to command: /usr/lib/mailman/mail/mailman post mailman) Aug 1 13:25:02 list postfix/qmgr[2499]: C122C8604E0: removed
Which looks like a successful delivery to me. Is Mailman running? Is this message in qfiles/in? What happened to it?
No there are no mailman aliases in the /etc/aliases file. Mutt should be using the local postfix server to send the message. I checked /etc/Muttrc and there is no setting for smtp.
And mutt is delivering to Postfix and Postfix is successfully delivering to Mailman per the above.
Mailman is running. Logging in as root and doing:
# su mailman /usr/lib/mailman/mail/mailman post test
This account is currently not available.
# sudo -u mailman /usr/lib/mailman/mail/mailman post test
The system just sits there and does nothing.
It's reading your message from stdin which is your terminal. So no group mismatch.
There is only 1 account signed up for the mail list so it should take 10 minutes to do something. It has been 10 minutes since I pressed enter and nothing has happened. I waited 30 minutes and pressed Ctrl-C. This is what I saw:Traceback (most recent call last): File "/usr/lib/mailman/scripts/post", line 69, in ? main() File "/usr/lib/mailman/scripts/post", line 62, in main inq.enqueue(sys.stdin.read(), KeyboardInterrupt
How am I supposed to post to the maillist if I can't do it from root or a user account. I can't login into the system as mailman:
You are successfully posting to Mailman from mutt. You could also successfully post from the command line via
sudo -u mailman /usr/lib/mailman/mail/mailman post test < file
where file contains your email message with headers and body, or by doing what you did and then typing the headers and body of the message followed by control-D.
I'm not saying you don't have a delivery problem somewhere, but it is not a group mismatch and it is not a Postfix issue. it is somewhere beyond that. The message you posted with mutt got to Mailman's 'in' queue. You need to start looking for what happened after that. Read the FAQ at <http://wiki.list.org/x/A4E9>.
The following is everything from the /var/log/maillog since I turn the PC on this morning:
Aug 3 08:24:18 list postfix/postfix-script: starting the Postfix mail system Aug 3 08:24:18 list postfix/master[2468]: daemon started -- version 2.3.3, configuration /etc/postfix Aug 3 08:25:02 list postfix/pickup[2472]: 38DFD8604E0: uid=41 from= Aug 3 08:25:02 list postfix/cleanup[2711]: 38DFD8604E0: message-id= Aug 3 08:25:02 list postfix/qmgr[2473]: 38DFD8604E0: from=, size=625, nrcpt=1 (queue active) Aug 3 08:25:02 list postfix/local[2713]: 38DFD8604E0: to=, orig_to=, relay=local, delay=0.56, delays=0.28/0.05/0/0.23, dsn=2.0.0, status=sent (delivered to command: /usr/lib/mailman/mail/mailman post mailman)
Above is a successful delivery of a post to the 'mailman' list.
Aug 3 08:25:02 list postfix/qmgr[2473]: 38DFD8604E0: removed Aug 3 08:25:03 list postfix/smtpd[2715]: connect from
localhost.localdomain[127.0.0.1] Aug 3 08:25:03 list postfix/smtpd[2715]: BEB718604DD: client=localhost.localdomain[127.0.0.1] Aug 3 08:25:03 list postfix/cleanup[2711]: BEB718604DD: message-id= Aug 3 08:25:03 list postfix/qmgr[2473]: BEB718604DD: from=, size=1952, nrcpt=1 (queue active) Aug 3 08:25:03 list postfix/smtpd[2715]: disconnect from localhost.localdomain[127.0.0.1] Aug 3 08:25:03 list postfix/local[2713]: BEB718604DD: to=, relay=local, delay=0.09, delays=0.01/0/0/0.07, dsn=2.0.0, status=sent (delivered to maildir)
And this looks like a successful delivery of some kind of response from Mailman. What was in this message?
[followed by repeats of the same scenario]
-- Mark Sapiro <mark@msapiro.net> The highway is for gamblers, San Francisco Bay Area, California better use your sense - B. Dylan
Greg White wrote:
#cat /var/log/mailman/smtp Aug 03 08:25:03 2009 (2622) smtp to mailman for 1 recips, completed in 0.101 seconds Aug 03 08:30:02 2009 (2622) smtp to mailman for 1 recips, completed in 0.040 seconds Aug 03 08:35:02 2009 (2622) smtp to mailman for 1 recips, completed in 0.040 seconds Aug 03 08:40:05 2009 (2622) smtp to mailman for 1 recips, completed in 0.039 seconds Aug 03 08:45:04 2009 (2622) smtp to mailman for 1 recips, completed in 0.042 seconds Aug 03 08:50:04 2009 (2622) smtp to mailman for 1 recips, completed in 0.041 seconds Aug 03 08:55:04 2009 (2622) smtp to mailman for 1 recips, completed in 0.040 seconds Aug 03 09:00:04 2009 (2622) smtp to mailman for 1 recips, completed in 0.041 seconds Aug 03 09:00:04 2009 (2622) smtp to mailman for 1 recips, completed in 0.052 seconds Aug 03 09:05:03 2009 (2622) smtp to mailman for 1 recips, completed in 0.041 seconds Aug 03 09:10:03 2009 (2622) smtp to mailman for 1 recips, completed in 0.041 seconds Aug 03 09:15:04 2009 (2622) smtp to mailman for 1 recips, completed in 0.041 seconds Aug 03 09:20:04 2009 (2622) smtp to mailman for 1 recips, completed in 0.041 seconds Aug 03 09:25:04 2009 (2622) smtp to mailman for 1 recips, completed in 0.042 seconds
Mailman is delivering mail to Postfix and from your previously posted Postfix log, Postfix is delivering it to someone's maildir, e.g. (corresponding to the second message above)
Aug 3 08:30:02 list postfix/smtpd[2727]: connect from localhost.localdomain[127.0.0.1] Aug 3 08:30:02 list postfix/smtpd[2727]: DCB7F8604DD: client=localhost.localdomain[127.0.0.1] Aug 3 08:30:02 list postfix/cleanup[2723]: DCB7F8604DD: message-id= Aug 3 08:30:02 list postfix/qmgr[2473]: DCB7F8604DD: from=, size=1952, nrcpt=1 (queue active) Aug 3 08:30:02 list postfix/smtpd[2727]: disconnect from localhost.localdomain[127.0.0.1] Aug 3 08:30:02 list postfix/local[2725]: DCB7F8604DD: to=, relay=local, delay=0.02, delays=0.01/0.01/0/0, dsn=2.0.0, status=sent (delivered to maildir) Aug 3 08:30:02 list postfix/qmgr[2473]: DCB7F8604DD: removed
Perhaps you should try to find this mail. Since you've elided all the message-id's, I can't tell if this is a delivered post or a notice about a held message. I'm confused about that because you say there's no vette log which indicates the post wasn't held, but if it was delivered, there should be a post log entry, and you say there's no post log either.
-- Mark Sapiro <mark@msapiro.net> The highway is for gamblers, San Francisco Bay Area, California better use your sense - B. Dylan
Greg White wrote:
Since the mailman account on a centos and redhat system is setup as nologin how else would you send a post?
Via SMTP to the incoming MTA.
I tried to post a message to the list. I started mutt, pressed m, to: test@xyz.com, subject test, wrote this is a test :wq, pressed y to send.
And it worked. Your message was delivered to Mailman.
If the mailman user can't login can I post to the list?
The Mailman user doesn't ever need to log in. The MTA pipes the post to the wrapper which invokes the proper script to queue it for Mailman.
-- Mark Sapiro <mark@msapiro.net> The highway is for gamblers, San Francisco Bay Area, California better use your sense - B. Dylan
On Mon, Aug 03, 2009 at 07:55:04AM -0700, Mark Sapiro wrote:
Greg White wrote:
#cat /var/log/mailman/smtp Aug 03 08:25:03 2009 (2622) smtp to mailman for 1 recips, completed in 0.101 seconds
[...]
Perhaps you should try to find this mail. Since you've elided all the message-id's, I can't tell if this is a delivered post or a notice about a held message. I'm confused about that because you say there's no vette log which indicates the post wasn't held, but if it was delivered, there should be a post log entry, and you say there's no post log either.
[ I don't think i've seen this in the mail-exchanges so far ]
It may be useful to check the list-members of the 'mailman' list, too. (either via list_members, or the web-interface)
Is the recipient of the list what you expect it to be?
(I'm by no means a Postfix fan)
--
Jim Hacker: What appalling cynicism.'' Sir Humphrey: We call it diplomacy, Minister.''
Adam McGreggor wrote:
On Mon, Aug 03, 2009 at 07:55:04AM -0700, Mark Sapiro wrote:
Greg White wrote:
#cat /var/log/mailman/smtp Aug 03 08:25:03 2009 (2622) smtp to mailman for 1 recips, completed in 0.101 seconds
[...]
Perhaps you should try to find this mail. Since you've elided all the message-id's, I can't tell if this is a delivered post or a notice about a held message. I'm confused about that because you say there's no vette log which indicates the post wasn't held, but if it was delivered, there should be a post log entry, and you say there's no post log either.
[ I don't think i've seen this in the mail-exchanges so far ]
From the post I quote above archived at <http://mail.python.org/pipermail/mailman-users/2009-August/066667.html>
<quote> 8) #cat /var/log/mailman/smtp Aug 03 08:25:03 2009 (2622) smtp to mailman for 1 recips, completed in 0.101 seconds <snip>
#cat /var/log/mailman/qrunner Aug 03 08:24:27 2009 (2617) ArchRunner qrunner started. <snip>
The rest were empty or didn't exist. </quote>
-- Mark Sapiro <mark@msapiro.net> The highway is for gamblers, San Francisco Bay Area, California better use your sense - B. Dylan
Mark wrote:
Greg White wrote:
Since the mailman account on a centos and redhat system is setup as nologin how else would you send a post?
Via SMTP to the incoming MTA.
I tried to post a message to the list. I started mutt, pressed m, to: test@xyz.com, subject test, wrote this is a test :wq, pressed y to send.
And it worked. Your message was delivered to Mailman.
If the mailman user can't login can I post to the list?
The Mailman user doesn't ever need to log in. The MTA pipes the post to the wrapper which invokes the proper script to queue it for Mailman.
It appears that part of my problem is that I didn't understand how to properly send a message. I have postfix only listening on the loopback interface. It appears like I will have to change the config so it listens on the eth0 interface. Then I have to setup user authentication on postfix. Finally I have to open the smtp port on the firewall. I was hoping that I could just use the local mutt to post a message. Does this sound about right?
Thanks,
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Greg White wrote:
It appears that part of my problem is that I didn't understand how to properly send a message. I have postfix only listening on the loopback interface. It appears like I will have to change the config so it listens on the eth0 interface. Then I have to setup user authentication on postfix. Finally I have to open the smtp port on the firewall. I was hoping that I could just use the local mutt to post a message. Does this sound about right?
No. This does not sound right. Your messages from Mutt are being delivered to Mailman with your current setup. And Mailman's replies are being accepted and delivered by Postfix.
As long as you don't care that non-local users will not be able to subscribe or post or send commands to Mailman via email and you don't care that external bounces can't be delivered back to Mailman, you don't need an MTA listening on an external interface.
Even if you do want those things, you don't need user authentication. User authentication is onnly needed if you want to relay mail from non-local to non-local. It is not required to accept external mail on port 25 and deliver it locally.
I am still concerned that you don't think you are successfully posting to Mailman from your local Mutt. You are! Look in your maildir directory and find the messages from Mailman.
-- Mark Sapiro <mark@msapiro.net> The highway is for gamblers, San Francisco Bay Area, California better use your sense - B. Dylan
participants (4)
-
Adam McGreggor -
Greg White -
LuKreme -
Mark Sapiro