> I have inherited a cyrus / postfix server, which is generally well-behaved. > However, there is an intermittent error when delivering messages to a certain > mailbox. It is infrequent, and generally the message is delievered on the > user's next attempt in his MUA. The log is something like: What format is your mailbox database in? Do you see any concomitant messages in the log? > Mar 9 14:29:07 captain postfix/lmtp[20644]: D557618536: > to=<sirius-john@xxxxxxxxxxxxxxxxx>, > relay=captain.munged-domain.com[/var/run/cyrus/socket/lmtp], delay=0.1, > delays=0.02/0.01/0/0.08, dsn=5.1.1, status=bounced (host > captain.munged-domain.com[/var/run/cyrus/socket/lmtp] 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 command)) > Mar 9 14:29:07 captain postfix/cleanup[20642]: ED3B418538: > message-id=<20090309142907.ED3B418538@xxxxxxxxxxxxxxxxxxxxxxxxx> > Does anyone have any idea how I can go about debugging this? Any chance you can increase the debug level of your MTA (postfix?) to see the entire conversation? -- OpenGroupware developer: awilliam@xxxxxxxxxxxxx <http://whitemiceconsulting.blogspot.com/> ---- Cyrus Home Page: http://cyrusimap.web.cmu.edu/ Cyrus Wiki/FAQ: http://cyrusimap.web.cmu.edu/twiki List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html