Setup of mailcow 🐄🐰 Moopril 2022

After at least 6 years of using iRedMail, mailcow came along and replaced it.
So very easy migration of mailboxes and mails, done within one day and no problems whatsoever with this dockerized mailcow instance.
🐄🐰 Moopril 2022 - ClamAV, Rspamd, SOGo Update