I have a droplet on digital ocean hosting my own web server and now I'm trying to add a mail service with some combination of dovecot and postfix. I'm running into two issues:
1) I am confused how to setup my MX ...
What I could suggest is the following:
First set up an A record for mail.yourdomain.com to point to your Mail Dropelt's IP address
Then set up an MX for your domain name itself to point to mail.yourdomain.co...