[Dovecot] Duplicate E-mail Problem
Phillip T. George
Phillip at StellarDreams.com
Fri Apr 13 17:40:45 EEST 2007
Hmm. Thats interesting. The thing is, its only happening for one user
that I'm aware of. Also, I probably should of mentioned that I'm using
Maildir ... I'm sure that changes things :)
Stewart Dean wrote:
> When this happens with sendmail, it can be that the queue handler
> doesn't finish before a new queue handler is kicked off, so each
> successive queue handler/runner ends up sending the same mail.
> Background: sendmail, and perhaps postfix, is configured to a) toss
> stuff it can't handle right away into the queue and then, every so
> often (interval to be set by admin), it burps the queue. If the
> interval is too short, the previous queue handler/runner doesn't
> complete before a new one is invoked and gets it list of things to
> mail...with the same email on both queue handler/runners incarnations
> to do list...........
> Phillip T. George wrote:
>> Hello all,
>> Definitely congrats on the 1.0.0 release!
>> Anyway, I'm having a problem, that may or may not be related to
>> Dovecot. Specifically, duplicate (and sometimes triplicate) emails
>> are appearing. These emails have exactly the same queue ID, so its
>> not that they were sent multiple times. These dup emails do not show
>> up to me ever.
>> Postfix is being used as the SMTP, and it hands it over to procmail.
>> I set up procmail's verbose logging feature for that user and on the
>> duplicate emails that he receives, it shows only ONE write to a file
>> for that specific subject of email. Tonight / this morning I'll be
>> tracking down to see if this duplicate for sure happens in IMAP.
>> Note: Its possible that part of the problem is he leaves two IMAP
>> clients open at the same time (Netscape I think). I'm going to
>> verify that with him.
>> Any ideas? I'm NOT trying to blame Dovecot, I'm just trying to
>> explore options. Right now its looking fairly bad for Dovecot
>> though....I mean, what else is there after the mail is delivered to
>> the appropriate place in the mailbox?
>> Software versions:
>> postfix 2.3.8
>> procmail 3.22
>> dovecot 1.0.rc28
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