On 11.09.2017 11:21, Dominic Raferd wrote: > Does anyone know a way to detect if the certificate currently being > used by Postfix and/or Dovecot is nearing expiry (esp. in case they > haven't picked up the updated letsencrypt certificate)?
See https://www.monitoring-plugins.org/ -- The plugins check_smtp and check_http, which I use via Icinga to monitor my servers, can verify if a certificate nears its expiry date in less than N days, as a byproduct of checking if the respective services are actually up and running. -Ralph
