a couple times every hour this comes up in the log for some of the users and the sender gets a bounce back with complain about delivery to /var/imap/socket/lmtp. This seems to be very random and while this happens with less then 5% of mail traffic, some important stuff bounces for no apparent reason. The install is cyrus 2.2, recently upgraded from freebsd ports from 2.1 via portupgrade.
relay=/var/imap/socket/lmtp[/var/imap/socket/lmtp], delay=0, status=deferred (remote protocol error in reply from /var/imap/socket/lmtp[/var/imap/socket/lmtp] while sending end of data -- message may be sent more than once) ---- Cyrus Home Page: http://asg.web.cmu.edu/cyrus Cyrus Wiki/FAQ: http://cyruswiki.andrew.cmu.edu List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html
