pop3-login: Maximum number of connections from user+IP exceeded

Posted: 4p in Exim

We are getting connection refused error while trying to access the server via pop. Please check the below logs.

26 01:57:18 host2 dovecot: pop3-login: Maximum number of connections from user+IP exceeded (mail_max_userip_connections=3): user=, method=PLAIN, rip=112.29.18.1, lip=69.22.10.17

Solution :-

Edit /etc/dovecot.conf and check the parameter “mail_max_userip_connections” was set to 3.

mail_max_userip_connections = 3

Increased it to a higher value and the issue got fixed.

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