Testing Dovecot in Postfix or Verify Dovecot in Postfix One thing that you can do is run this command to verify it is listening on the correct port numbers: netstat -aunt This should show that Dovecot is listening on ports 143 and 110 for IMAP and POP3. Check if Dovecot… Continue Reading Testing Dovecot in Postfix or Verify Dovecot in Postfix