19.31 Troubleshooting
19.31.1 After login a “mail account authentication error” is displayed
If an entire mail account is shared among different users, a Dovecot connection limit can be reached. This is the
displayed error:
_static/webtop-dovecot_error.png
In /var/log/imap there are lines like the following:
xxxxxx dovecot: imap-login: Maximum number of connections from user+IP exceeded (mail_
˓→
max_userip_connections=12): user=, method=PLAIN, rip=127.0.0.1,
˓→
lip=127.0.0.1, secured, session=
To list active IMAP connections per user, execute:
doveadm who
To fix the problem, just raise the limit (eg. 50 connections for each user/IP):
config setprop dovecot MaxUserConnectionsPerIp 50
signal-event nethserver-mail-server-update
At the end, logout and login again in WebTop.
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