Re: Login failed, server replied: A000003 NO Maximum number of connections from user+IP exceeded ( mail_max_userip_connections )
On Sunday 10 November 2013 14:10:56 Martin Steigerwald wrote:
> Am Sonntag, 10. November 2013, 13:58:49 schrieben Sie:
> > Am Sonntag 10.11.2013, 11:20:33 schrieb Martin Steigerwald:
> > > Note that it may not be actually a crashing resource, maybe just lots of
> > > new connections, would be nice if you can find out whether you akonadi
> > > imap resource gets restarted all the time (changing PID quickly) or its
> > > just new connection attempt as I could prove.
> >
> > Wouldn't there be a popup notification for crashed akonadi resources?
> > I specifically remember one time when there were no popups but something
> > akonadi-related kept downloading a couple hundred KB/s from my
> > university's
> > mail server. Re-starting akonadi didn't fix this, but stopping it ended
> > the
> > download.
> > (And no, that wasn't a huge email/amount of emails being downloaded. In
> > fact, there were no new emails.)
> >
> > OTOH, I've also frequently had the "resource crashed" notification spam
> > fill up my screen in 4.10, but haven't seen it in a while.
>
> I am not sure. As described in bug report I saw a hint that akinadi pop
> resources crashed. But I don´t know how often.
>
> Maybe its just reconnection attempts.
>
> watch -n1 "ps aux | grep akonadi"
>
> may give information about how PIDs change...
>
> I didn´t do this back then and just watched port numbers changes with the
> netstat example I provided in bug report.
>
Hi Martin,
I just hit the problem again. PIDs are stable and I get lots of login failed
messages. Restarting dovecot cures the problem.
On the server side, I get lots of entries like this:
Nov 12 22:16:49 bokomoko dovecot: imap-login: Login: user=<user>,
method=PLAIN, rip=87.180.155.148, lip=aaa.bbb.ccc.ddd, TLS
Nov 12 22:16:49 bokomoko dovecot: imap-login: Disconnected (no auth attempts):
rip=87.180.155.148, lip=aaa.bbb.ccc.ddd, TLS: Disconnected
Nov 12 22:16:49 bokomoko dovecot: IMAP(user): Disconnected: Logged out
bytes=53/709
Nov 12 22:16:50 bokomoko dovecot: imap-login: Disconnected (no auth attempts):
rip=87.180.155.148, lip=aaa.bbb.ccc.ddd, TLS: Disconnected
Nov 12 22:16:50 bokomoko dovecot: imap-login: Login: user=<user>,
method=PLAIN, rip=87.180.155.148, lip=aaa.bbb.ccc.ddd, TLS
Nov 12 22:16:50 bokomoko dovecot: imap-login: Disconnected (no auth attempts):
rip=87.180.155.148, lip=aaa.bbb.ccc.ddd, TLS: Disconnected
Nov 12 22:16:50 bokomoko dovecot: IMAP(user): Disconnected: Logged out
bytes=53/709
Nov 12 22:16:50 bokomoko dovecot: imap-login: Disconnected (no auth attempts):
rip=87.180.155.148, lip=aaa.bbb.ccc.ddd, TLS: Disconnected
Nov 12 22:16:50 bokomoko dovecot: imap-login: Login: user=<user>,
method=PLAIN, rip=87.180.155.148, lip=aaa.bbb.ccc.ddd, TLS
Nov 12 22:16:51 bokomoko dovecot: imap-login: Disconnected (no auth attempts):
rip=87.180.155.148, lip=aaa.bbb.ccc.ddd, TLS: Disconnected
Nov 12 22:16:51 bokomoko dovecot: IMAP(user): Disconnected: Logged out
bytes=53/709
Nov 12 22:16:51 bokomoko dovecot: imap-login: Disconnected (no auth attempts):
rip=87.180.155.148, lip=aaa.bbb.ccc.ddd, TLS: Disconnected
Nov 12 22:16:51 bokomoko dovecot: imap-login: Disconnected (no auth attempts):
rip=87.180.155.148, lip=aaa.bbb.ccc.ddd, TLS: Disconnected
Nov 12 22:16:51 bokomoko dovecot: imap-login: Login: user=<user>,
method=PLAIN, rip=87.180.155.148, lip=aaa.bbb.ccc.ddd, TLS
Nov 12 22:16:51 bokomoko dovecot: imap-login: Disconnected (no auth attempts):
rip=87.180.155.148, lip=aaa.bbb.ccc.ddd, TLS: Disconnected
Nov 12 22:16:51 bokomoko dovecot: IMAP(user): Disconnected: Logged out
bytes=53/709
Nov 12 22:16:52 bokomoko dovecot: imap-login: Disconnected (no auth attempts):
rip=87.180.155.148, lip=aaa.bbb.ccc.ddd, TLS: Disconnected
Nov 12 22:16:52 bokomoko dovecot: imap-login: Login: user=<user>,
method=PLAIN, rip=87.180.155.148, lip=aaa.bbb.ccc.ddd, TLS
Nov 12 22:16:52 bokomoko dovecot: imap-login: Disconnected (no auth attempts):
rip=87.180.155.148, lip=aaa.bbb.ccc.ddd, TLS: Disconnected
Nov 12 22:16:52 bokomoko dovecot: IMAP(user): Disconnected: Logged out
bytes=53/709
Nov 12 22:16:52 bokomoko dovecot: imap-login: Disconnected (no auth attempts):
rip=87.180.155.148, lip=aaa.bbb.ccc.ddd, TLS: Disconnected
Nov 12 22:16:52 bokomoko dovecot: imap-login: Disconnected (no auth attempts):
rip=87.180.155.148, lip=aaa.bbb.ccc.ddd, TLS: Disconnected
Nov 12 22:16:52 bokomoko dovecot: imap-login: Login: user=<user>,
method=PLAIN, rip=87.180.155.148, lip=aaa.bbb.ccc.ddd, TLS
Nov 12 22:16:53 bokomoko dovecot: imap-login: Disconnected (no auth attempts):
rip=87.180.155.148, lip=aaa.bbb.ccc.ddd, TLS: Disconnected
Rainer
--
Rainer Dorsch
http://bokomoko.de/
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