connection closes every 10 minutes

[Eirik Rye]

> On 12 Apr 2021, at 16:47, Marco Fioretti <marco.fioretti at gmail.com> wrote:
> 
> Apr 12 16:12:49 SERVERNAME dovecot: imap(ACCOUNTNAME): Logged out in=164 out=757

This log line means that the connection with the server is terminated gracefully, with the client issuing a "LOGOUT" command. That makes me think the issue is on your mutt client's end and not with dovecot.

Best regards,
Eirik