Mailman-Users July 2021

mailman-users@python.org

14 participants
10 discussions

by Karl Berry

I was just hit with a subscription flood, along the lines of https://mail.python.org/pipermail/mailman-users/2014-May/076880.html https://bugs.launchpad.net/mailman/+bug/1082746 I've mitigated the current attack, but it's happened before and will happen again. I'm already using SUBSCRIBE_FORM_SECRET. I also saw Mark's patch in the thread above to disable subscriptions for a particular list, which is helpful. Still, trying to look ahead, I have two further questions: 1) The above mailman-users thread refers to using fail2ban. This sounds sensible. Does anyone have a a working fail2ban filter they can share for this? I'd rather not write one from scratch; my previous attempts at doing so have been rather uneven. (Not the easiest thing to search for, since fail2ban itself uses mailman for its mailing lists, it seems. I couldn't find anything, at any rate.) 2) At least in my cases, the floods try to subscribe the same address over and over (and over and ...). It occurs to me that mailman could silently discard a request to subscribe an address foo(a)bar.com if foo(a)bar.com already has a pending subscription -- that is, not sending out the confirmation request. Would this be doable? Mark, anyone? Although I realize that has downsides, for myself at least I'd prefer to minimize the backscatter pain for the random targeted addresses. Real people who are failing to subscribe can write the owner. Thanks in advance, Karl

5 months, 2 weeks

List Posting Issue

by Brian Canty

Hi I was wondering if someone can help with my issue. I am a client of EMWD - (RIP Brian). I recently switched to Office 365 platform and none of my posts are working. Does anyone have any ideas of how I can resolve this? Thanks in advance. Brian Canty American Psychoanalytic Association

6 months

Feature Request - Show Member Name but not email address

by Gregory Beyer

Hello, I have a feature request for MailMan. Would you please add to the Privacy Options section, Membership Exposure, an option to show only the member name, but keep their email address hidden from the member list, that non-admin members may view? I'd like my members to see who, by name, is on the list, but not divulge their email addresses./ / Mark Sapiro informed the list that "You can do this, but only by modifying the FormatUsers method in Mailman/HTMLFormatter.py." Unfortunately, MailMan admins on shared hosting do not have direct access to Mailman files. If this option were added to Membership Exposure, we could set this option without necessity for direct file access. Further, my hosting provider will not modify that file just for me, as there are likely hundreds of other Mailman users, using the same installation as I. Thank you. -- *__________________________________ Gregory Beyer *greg(a)beyerusa.net

6 months

MM 2.1 - How to show member name, but not member address in member list

by greg＠beyerusa.net

Hi, is it possible to show only the member name, but keep their email address hidden from the member list, that non-admin members may view? I'd like my members to see who, by name, is on the list, but not divulge their email addresses. The hide flag on membership management hides everything. Thanks, Greg

6 months

Is there a way to get a list of all list admins?

by Steven Jones

I am moving mailman off rhel6 to rhel8 Is there a way to extract list admins on the command line so I can notify them? regards Steven

6 months

Need The URL for the Current Install Instructions For Mailman 2

by temp590＠dsh.twilightparadox.com

I am looking for the install instructions for Mailman 2.1 to assist me in doing a new install of Mailman 2.1.34. When I go to https://www.gnu.org/software/mailman/ and click on documentation, the only choice is for Mailman Suite (3). There are no guides for Mailman 2. I also went to the wiki and there is a guide "How_to_Install_Mailman3_on_Debian10" but nothing that I could find on doing a new install for the current download of Mailman 2.1 on Debian 10. Is there a link somewhere that I am missing? It seems to me that I have seen one in the past.

6 months, 1 week

MM2 :: Customize invite subject

by Jacques Lavignotte

Hi there, This may be well documented yet but I cant find it. In the mail sent to the invited user the subject is like : confirm 9f9f18d46870654ad3970 which is not very self explanatory, and some people believe in some kind of spam and ignore the invite. Despite I browse the customizable files I cant find how to add some friendly words the the Subject field. Any chance to do it without digging into the code ? Thanks, Jacques -- GnuPg : 156520BBC8F5B1E3 Because privacy matters. « Quand est-ce qu'on mange ? » AD (c) (tm)

6 months, 2 weeks

Trouble with DMARC on Mailing Lists

by Onyeibo

Hello everyone, I hope this email made it to the list. It has been crazy for a week. My SPF/DKIM/DMARC passes in most cases except for mailing lists. Recently, I observe that when I send emails to mailing lists, they get stashed after Mailman receives them. I administer Mailman for an organization, and this is what I am seeing: The email from my VPS arrives at the organization's server and passes authentication (including SPF/DKIM/DMARC checks) If the address is not a mailing list, dovecot delivers the email to local/virtual accounts without errors. It is all fine for regular destinations. If the address belongs to a mailing list, Mailman receives the email and includes it in the archives. Something goes wrong at this stage (i.e. when Mailman begins to send copies to subscribers). The log records the following: Jul 01 11:51:35 mail.organization.com opendkim[663]: 40D84274532: no signing table match for 'onyeibo(a)mydomain.com' Jul 01 11:51:35 mail.organization.com opendmarc[826730]: 40D84274532: mydomain.com fail It appears the mail server hosting Mailman on the other end wants to sign my email all over again before sending out copies to the list subscribers. The signing fails for obvious reasons. The host cannot possibly have signing keys for every subscribed domain on the list. The result is that Mailman archives an email that subscribers never see. Is any other list admin experiencing this? What do I do to get such emails to the list subscribers? How about lists that I subscribed to (the ones I do not administer?). Does the sender have any obligation too? This phenomenon is crazy. worriedly Onyeibo

6 months, 2 weeks

Gmail and DKIM problems

by Thomas Gramstad

A subscriber to one of my lists who posts from gmail has been made aware that some list subscribers do not get his postings because of DKIM setup at gmail. See attached error message. I understand that he can't do anything about the DKIM setup at gmail. Can I as list admin do something in the list setup (Mailman 2.29)? Also, how many subscribers are likely affected by his (or any gmail user's) DKIM setup? That is, are most list subscribers receiving his messages anyway, or is this problem preventing e-mail from him going to most list subscribers? Thomas Gramstad ---- Message was blocked due to DKIM (). From:Anders Ericson *frilanders(a)gmail.com* <frilanders(a)gmail.com> To: Biblioteknorge *biblioteknorge(a)kunnskapsallmenning.no* <biblioteknorge(a)kunnskapsallmenning.no> Subject: Biblioteket som statussymbol. Lat ungdomen lese, for _born._Vegar,_vatn,_straum_–_og_bibliotek Date:2021-06-24 09:47PM Message ID:1624564030-205058-5323-17319-1 IP:158.36.191.155 (hotell.nuug.no) Envelope From:biblioteknorge-bounces@mailman.kunnskapsallmenning.no Recipients: Recipients Action Reason Delivery Status *kristin.johanne.havstad(a)arendal.kommune.no* <kristin.johanne.havstad(a)arendal.kommune.no> Blocked DKIM Not Delivered Dette kan muligens skyldes at SPF record ikke er helt riktig: v=spf1 redirect=_spf.google.com SPF Alignment Domain not found in SPF Med vennlig hilsen *Odd Arvid Knudsen* *Teknologiarkitekt* M: +47 488 92 398 *ıkt**.**agder* *Enklere hverdag*

6 months, 2 weeks

Recommended reading before upgrading to 3.x ?

by Andy Cravens

I’m running mailman 2.x and I am getting ready to build a new server and migrate my lists to 3.x. For those of you who have done this already, do you have any recommended reading suggestions other than the official web page at https://docs.mailman3.org/en/latest/migration.html

6 months, 3 weeks