[Mailman-Users] Users complain, they don't receive mails from the list
mailman at rissel.it
Mon Jan 25 18:47:14 EST 2016
For better clarification, the www domain <rc-worms.de> is hosted on a
different (dedicated) web server. Mailman is running on a vServer of its
own, it just uses <rc-worms.de> as a nice readable domain for mail
addresses, configured on the web server to forward each mail to the real
physical (and not so nicely readable) address <any
<any_mailing_list at euve51864.serverprofi24.de>_
<any_mailing_list at euve51864.serverprofi24.de>mailing
<any_mailing_list at euve51864.serverprofi24.de>
_list at euve51864.serverprofi24.de
<any_mailing_list at euve51864.serverprofi24.de>>.
Am 26.01.2016 12:27 vorm. schrieb "Sascha Rissel" <mailman at rissel.it>:
> Hi Mark!
> > In simple terms, it claims your mail server is not properly configured.
> > I don't know what your Mailman server's domain name is, but it appears
> > from the error message that its IP is 220.127.116.11 and that IP has an
> > rDNS PTR record to euve51864.serverprofi24.de.
> this is all pretty correct.
> "euve51864.serverprofi24.de" is the natural name of the vServer, I am
> I don't have a real domain configured, since I mainly just use it for
> I configured all Mailman lists to use something like <list name>@
> rc-worms.de, where <rc-worms.de> is the www domain of my sports club,
> whose administrator I am.
> For better readability I named and configured all lists this way, to use <
> members at rc-worms.de>, <team1 at rc-worms.de> as exlicity reply-to address
> and so on.
> This worked pretty well for years.
> Did it now turn into a problem, that reply-to address and domain () bear a
> different IP/rDNS result?
> Is there something you could suggest in this case?
> Should I maybe configure a subdomain on my vServer, like <
> lists.rc-worms.de>, from which the mails will be send from and can bear
> own DNS config?
> Kind regards,
> 2016-01-26 0:11 GMT+01:00 Mark Sapiro <mark at msapiro.net>:
>> On 01/25/2016 02:48 PM, Sascha Rissel wrote:
>> > thanks for your answer.
>> > I just checked the bounce log.
>> > And I discovered a lot of entries like:
>> > Jan 25 18:33:24 2016 (2741) <BounceRunner at 12019976> processing 9
>> > bounces
>> > Jan 25 18:33:24 2016 (2741) <my-list-name>: <some mail address> already
>> > scored a bounce for date 25-Jan-2016
>> > where all mail addresses are from German Web.de and GMX. Both providers
>> > belong to the same company.
>> > Thinking about this, I remembered a bounce notification I received last
>> > week, where some of these addresses were set to disabled by Mailman,
>> > the notification below.
>> > Did GMX/Web.de maybe change their mail processing policies with the
>> > of the new year?
>> Possibly. See below.
>> > Below follows an excerpt from the bounce notification.
>> > Bounce Mail:
>> > <some_user at web.de>: host mx-ha02.web.de[18.104.22.168] refused to talk
>> > to me: 554-web.de (mxweb107) Nemesis ESMTP Service not available
>> > SMTP service 554-Bad DNS PTR resource record. 554 For explanation
>> > http://postmaster.web.de/error-messages?ip=22.214.171.124&c=rdns
>> OK. The recipient's mail exchange server is refusing your mail. web.de's
>> explanation of this is at
>> In simple terms, it claims your mail server is not properly configured.
>> I don't know what your Mailman server's domain name is, but it appears
>> from the error message that its IP is 126.96.36.199 and that IP has an
>> rDNS PTR record to euve51864.serverprofi24.de.
>> In any case you need to ensure the IP address your server sends from has
>> a rDNS (PTR) record pointing to its host name and that host name in turn
>> needs an A record with the same IP address. Also, it should identify
>> itself with this same name in the SMTP HELO or EHLO command.
>> According to the tool at
>> this is all OK, so I don't know why web.de is complaining. I suggest you
>> use the form at
>> <http://postmaster.web.de/en/contact/?ip=188.8.131.52&c=rdns> to ask
>> Mark Sapiro <mark at msapiro.net> The highway is for gamblers,
>> San Francisco Bay Area, California better use your sense - B. Dylan
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