UPDATE: PART 3 has instructions for email backup using pre-made docker images based on this post and Part 1.
Summary so far
Ok, so if you have gone through Part 1 already, you have Mbsync set up to sync all emails from your remote IMAP server and then Dovecot set up to host those emails on a local SMTP server, but without SSL.
That may be enough for many, but we can take things a step further. In this part, we will add self-signed SSL certificates for Dovecot, and we will install Roundcube. Roundcube is an … Read the rest