Make a backup of the old key and certificate file mv /etc/ssl/certs/dovecot.pem /etc/ssl/certs/dovecot.pem.old mv /etc/ssl/private/dovecot.key /etc/ssl/private/dovecot.key.old Create the new SSL…

This articles describes the renewal of SSL certificates for courier pop3 and imap server. This is nescessary e.g. when the…