Problem resolved! Dovecot was stuck on a request for the specific account. After restart of the service it started working as usual.
When I try to login to the account this is logged to the file: dovecot: imap-login: Login: user=<{mail_account}>, method=PLAIN, rip=x.x.x.x,...
I have many email accounts under different domains but there is this one where I cannot access the inbox. It was working normally until today. I...
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