OS: CentOS Linux 7.3.1611 (Core) Plesk Onyx 17.5.3 Update Nr. 19
Domain: protech.media
Mailserver: Postfix
IMAP: Dovecot
SMTP on Port 587 enabled
I´m currently trying to get the mail-components to work. Web mail is working but I can't use Thunderbird or Outlook to connect to my server. Maybe...