Hello,
I am running into this error: /Maximum number of connections from user+IP exceeded (mail_max_userip_connections=10)/
The suggested solution in hundreds of support requests on this mailing list and throughout the internet is to increase the number of maximum userip connections. But this is not curing the problem, it is just postponing it to the moment when the new limit is reached.
When i type: /doveadm who// /
I can see that some accounts have several pids running: /someaccount 10 imap (25396 25391 25386 25381 25374 7822 7817 5559 5543 5531) (xxx.xxx.xxx.xxx)/
Now when I check these pids with /ps aux/
I find out that the oldest pid (5531) has a lifetime of already over 12 hours. Anyway I know that the clients that initiated the connections are not connected anymore, so there is no way that there is a valid reason why this connection should still be open. Also I never had this problem before, it appeared some months ago.
Does anybody know how to solve this?
Thanks in advance, Benedikt.