[Dovecot] lmtp -- save failed to INBOX: BUG: Unknown internal error

[Jan-Frode Myklebust]

On Thu, Sep 08, 2011 at 01:31:22PM +0300, Timo Sirainen wrote:
> 
> > I couldn't find any.. but these BUG:-messages were logged as
> > debug or info level syslog messages, which quickly drowns in everything
> > else on busy pop/imap-servers.
> 
> That's why I prefer logging errors and warnings to separate logs. Those errors logs should always stay empty. You can do this either by configuring syslog or just setting e.g.:
> 
> log_path = /var/log/dovecot-errors.log
> info_log_path = syslog

We have that trough syslog:

	mail.debug	-/var/log/maillog.debug
	mail.*		-/var/log/maillog
	mail.warning	-/var/log/maillog.warning
	mail.err	-/var/log/maillog.errors
	mail.crit	-/var/log/maillog.crit

but these BUG-messages only ended up in /var/log/maillog and
/var/log/maillog.debug, so I think they were logged with wrong severity.

But "those errors logs should always stay empty" isn't quite true for us..,
since every failed ldap bind() authentication is logged as an error:

	$ sudo wc -l maillog.errors
	2063 maillog.errors
	$ sudo head -1 maillog.errors ; sudo tail -1 maillog.errors
	Sep  8 04:02:43 popimap1 dovecot: auth: Error: ldap(user2,192.168.42.15): ldap_bind() failed: No such object
	Sep  8 12:39:46 popimap1 dovecot: auth: Error: ldap(user1,192.168.42.15): ldap_bind() failed: No such object



  -jf