yes ssl_cert_file = /etc/ssl/certs/ssl-mail.pem ssl_key_file = /etc/ssl/private/ssl-mail.key or if the snakeoil certificates are referenced directly, make no changes. Restart Dovecot: sudo /etc/init.d/dovecot restart Optionally, install Mutt for testing IMAP mail from the command-line (Mutt is usually installed with Postfix), and Roundcube as a Java/AJAX-powered (browser-based) webmail service. (An alternative to Roundcube