From time to time for one of email addresses i got such error. Have no idea why, as it is valid. Dovecot 2.0.2
Oct 6 17:37:52 postfix/smtpd: connect from unknown[212.xxx.101.5] Oct 6 17:37:52 postfix/smtpd: setting up TLS connection from unknown[212.xxx.101.5] Oct 6 17:37:53 postfix/smtpd: Anonymous TLS connection established from unknown[212.xxx.101.5]: TLSv1 with cipher DHE-RSA-AES256 -SHA (256/256 bits) Oct 6 17:37:53 sqlgrey: grey: from awl match: updating 212.xxx.101(212.xxx.101.5), from@example.com(from@example.com) Oct 6 17:37:59 postfix/policyd-weight: decided action=DUNNO using cached result; rate: -2.3; <client=212.xxx.101.5> <helo=mx1.example.com> <from=from@example.com> <to=to@example.com>; delay: 6s Oct 6 17:37:59 postfix/smtpd: 9CD23A9C6BD: client=unknown[212.xxx.101.5] Oct 6 17:37:59 postfix/cleanup: 9CD23A9C6BD: message-id=<4cac977f4c58d7.89836790@example.com> Oct 6 17:37:59 postfix/qmgr: 9CD23A9C6BD: from=<from@example.com>, size=1967, nrcpt=1 (queue active) Oct 6 15:37:59 postfix/smtpd: disconnect from unknown[212.xxx.101.5] Oct 6 17:38:00 postfix/smtpd: connect from localhost.localdomain[127.0.0.1] Oct 6 17:38:00 postfix/smtpd: 39179A9C886: client=localhost.localdomain[127.0.0.1] Oct 6 17:38:00 postfix/cleanup: 39179A9C886: message-id=<4cac977f4c58d7.89836790@example.com> Oct 6 17:38:00 postfix/qmgr: 39179A9C886: from=<from@example.com>, size=2335, nrcpt=1 (queue active) Oct 6 17:38:00 dovecot: lmtp(12184): Connect from local Oct 6 17:38:00 dovecot: lmtp(12184, to@example.com): Error: lstat((null)) failed: Bad address Oct 6 17:38:00 dovecot: lmtp(12184, to@example.com): Error: file_dotlock_create((null)) failed: Bad address Oct 6 17:38:00 dovecot: lmtp(12184, to@example.com): Error: open((null)) failed: Bad address Oct 6 17:38:00 postfix/smtpd: disconnect from localhost.localdomain[127.0.0.1] Oct 6 17:38:00 postfix/lmtp: 9CD23A9C6BD: to=<to@example.com>, relay=my.relay[/var/run/dspam/dspam.sock], delay=7.3, delays=6.8/0/0/0.53, dsn=2.6.0, status=sent (250 2.6.0 <to@example.com> Message accepted for delivery) Oct 6 17:38:00 postfix/qmgr: 9CD23A9C6BD: removed
Message is delivered properly but i got such errors and have no idea why. I've searched google for this but noone have answer for my problem.
Greets
Paweł Madej