> there is no user in the above line > >> Some characteristics of the problem that may offer a clue: >> * happening with multiple users, not just the same one >> * happens from different IP addresses. > > bots detected
The problem is happening to real users on real devices who are reporting very real connection errors, not bots. > >> * happens about 3 to 5 times per day and the errors come in batches like >> above >> * MS Outlook error is: > > why is it a microsoft problem now ? > >> reported error (0x80042109): ‘Outlook cannot conect to your outgoing SMTP >> email server. If you continue to receive this message….blah blah blah > > disable pop3 in dovecot, problem is then gone The same problem happens on IMAP. Example from log: Jan 21 01:51:55 ip-172-30-0-131 dovecot: imap-login: Disconnected (no auth attempts in 0 secs): user=<>, rip=87.xxx.xxx.xxx, lip=172.30.0.131, TLS handshaking: read(size=598) failed: Connection reset by peer, session=<ctMkJm8PM9RX7LDO> _______________________________________________ dovecot mailing list -- dovecot@dovecot.org To unsubscribe send an email to dovecot-le...@dovecot.org
