A typical installation of Debian 8.x (Jessie) precedes this where I only select base system and ssh server options during operating system installation. After installation, this is a typical configuration to get me up and running. These are my notes.
This content is 3 years old.Please See: https://www.howtoforge.com/community/threads/lets-encrypt-working-with-ispconfig-interface-postfix-dovecot-tls-pure-ftpd-monit.75546/ ARCHIVED I successfully configured Dovecot and Postfix to use my LetsEncrypt SSL certificate for my mail domain. Generate SSL Certificate When I installed ISPConfig 3.1b, I followed instructions on setting up LetsEncrypt which placed it in /opt/letsencrypt; If you have LetsEncrypt installed elsewhere, substitute the path below … Read moreISPConfig, Dovecot, Postfix and LetsEncrypt SSL