1. Add MTA-STS -> Check mailcow.conf 2. Add TLSA to DNS -> Check Mailcow DNS Check for TLSA values 3. Setup Borgmatic AND TEST it! -> https://docs.mailcow.email/third_party/borgmatic/third_party-borgmatic/?h=borg
1. Add MTA-STS -> Check mailcow.conf 2. Add TLSA to DNS -> Check Mailcow DNS Check for TLSA values 3. Setup Borgmatic AND TEST it! -> https://docs.mailcow.email/third_party/borgmatic/third_party-borgmatic/?h=borg