Leftover from my older server where I setup my email via NSA Proof your Email

        1. Installed postfix
        config in /etc/postfix
        Added mx records
        Added A record to this server mail.jackmcintoshthomson.com
        Changed hostname to mail.jackmcintoshthomson.com

        2. Guides
        Old but basic for setting up postfix + dovecot
        https://www.digitalocean.com/community/tutorials/how-to-set-up-a-postfix-e-mail-server-with-dovecot

        Video on settting up MX records and others
        https://www.youtube.com/watch?v=o66UFsodUYo

        Ended up using this guide for setting up in latest debian. Still having some ssl version issues though?
        https://www.tecmint.com/install-postfix-mail-server-with-webmail-in-debian/

        Had to enable smtpd manually for port 587
        https://bobcares.com/blog/enable-port-587-postfix/

        Had to change dovecot to use letsencrypt certs

        Setting up DKIM
        https://www.digitalocean.com/community/tutorials/how-to-install-and-configure-dkim-with-postfix-on-debian-wheezy
        Grab the entire suggested txt record for the DNS

        Used a milter to install spam assasin see here. Just outright rejects spam?
        https://www.nesono.com/node/220

        Added fail2ban. I think it defaults with dovecot/imap?