Hello, I have the following problem, in the Apple Mail app on Mac I receive the following message: maximum number of connections from user+ip exceeded (mail_max_userip_connections=10)
I investigated and this message can also appear in other applications like Thunderbird, in my case I don’t have it but I think it must be a limit on the server.
I appreciate the help to solve it.
You can edit file
/etc/dovecot/conf.d/20-imap.conf, uncomment line
#mail_max_userip_connections = 10 and increase the value to, for example, 20:
mail_max_userip_connections = 20
Once you have modified the file, restart dovecot.
systemctl restart dovecot
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