Howto start using Letsencrypt with
What I had:
- A Debian server at "mydomain.fi"
- A self-signed certificate for Apache HTTPD, Postfix SMTPD and Dovecot IMAPD.
What I wanted:
- A Letsencrypt certificate for Apache, Postfix and Dovecot
- Simple tool for managing certificates that does need root privileges
- Automatic renewal