question on lmtp logged message

Timo Sirainen tss at
Thu Jul 3 17:31:25 UTC 2014

On 25.6.2014, at 18.45, Leonardo Rodrigues <leolistas at> wrote:

>    I have dovecot running for IMAP4/POP3 and also local delivery through LMTP. It's working just fine, absolutely no problem on that, setup is fine.
>    Anyway, sometimes LMTP seems to not be able to deliver some messages and keep them on postfixqueue. And on the next or third try, the message gets delivered successfully. The logged message, however, is not helping me identify what is happening.Example:
> (error - message was expunged)
> Jun 25 11:49:39 correio postfix/lmtp[21835]: ADB0A1AC05108: to=<vanilson.parreira at>,[private/dovecot-lmtp], conn_use=6, delay=13, delays=0.07/0/0/13, dsn=4.2.0, status=deferred (host[private/dovecot-lmtp] said: 451 4.2.0 <vanilson.parreira at> Message was expunged (received-date) (in reply to end of DATA command))

I guess the only good fix for this is to just get rid of this deduplication feature for now:

Hopefully people don't rely on this feature too much.

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