Problems posting to lists

[Adam Tauno Williams]

On Thu, 2012-10-25 at 16:46 -0200, Rodrigo Abrantes Antunes wrote:
> Hi, I'm using mailman to post to a list but some users don't receive
> the messages, when I post to the list I see this in mail.log for one
> of the members of the list that didn't receive the message:
> Oct 25 08:15:31 srv-mail-pel postfix/smtp[5685]: 243872924C:
> to=<vladimir at pelotas.ifsul.edu.br>, relay=127.0.0.1[127.0.0.1]:10023,
> conn_use=10, delay=0.83, delays=0.16/0.47/0/0.21, dsn=2.0.0,
> status=sent (250 2.0.0 Ok, id=04503-16-10, from
> MTA([127.0.0.1]:10025): 250 2.0.0 Ok: queued as CDC1B291F8)
> Oct 25 08:17:27 srv-mail-pel cyrus/lmtp[13074]: duplicate_mark:
> <20121025081521.Horde.NWZiHUv4Cn9QiRE5nCOzRSA at webmail.pelotas.ifsul.edu.br> .vladimir+ at .sieve.   1351160247 0
> Oct 25 08:17:27 srv-mail-pel postfix/pipe[5695]: CDC1B291F8:
> to=<vladimir at pelotas.ifsul.edu.br>, relay=cyrus, delay=115,
> delays=0.04/92/0/23, dsn=2.0.0, status=sent (delivered via cyrus
> service)

Huh, that really looks like it *was delivered* to me.  Are you sure it
isn't really in the mailbox?  Can you go to the user's mailbox [on disk]
and grep the files for the messageID?

NOTE: status=sent (delivered via cyrus service)

> Here is what mailman's people said:
> "This message was delivered from Mailman to Postfix and then delivered
> by Postfix to Cyrus, possibly because this was to a local user and
> Cyrus is acting as the LDA, or possibly for some other reason, but in
> any case, if the mail wasn't delivered to the user, this is a question
> for Cyrus."

It is either Cyrus or Postfix [the MTA].  It does look like Mailman is
doing his job.