lmtp should give temporary failure for mailbox unknown
simon.matter at ch.sauter-bc.com
Thu Oct 12 05:45:37 EDT 2006
> Hmmm, well, a non existent mailbox is no temprary failure, it's very
> permanent. okay, in this case it's a false error, but to make another
> error to circumvent that is not a smooth solution.
> Perhaps you might want to set "soft_bounce = yes" in postfix' main.cf
> until you have found the error.
> See: http://www.postfix.org/postconf.5.html#soft_bounce
It would also be interesting to find out why you get the 550 error. I'm
not using lmtp over tcp but only local via socket and I have never seen a
> On 11.10.2006 17:31, Ramprasad wrote:
>> This is actually related to my previous question ...
>> I just configured my cyrus server to accept mails directly from my
>> remote postfix server over lmtp
>> Everything seems to work fine but sometimes lmtp gives strange errors
>> to=<X>, orig_to=<X>, relay=18.104.22.168[22.214.171.124]:24,
>> delay=0.26, delays=0.25/0/0/0.01, dsn=5.1.1, status=bounced (host
>> 126.96.36.199[188.8.131.52] said: 550-Mailbox unknown. Either there
>> is no mailbox associated with this 550-name or you do not have
>> authorization to see it. 550 5.1.1 User unknown (in reply to RCPT TO
>> When actually the mailbox is valid. The same mail sent again reaches
>> the mailbox without problems. The cyrus server is highly loaded most of
>> the time.
>> I want lmtp (over tcp) to give tempfail instead. I am already ensuring
>> mbox exists at smtp level
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