#!/usr/bin/env bash [[ -f mailcow.conf ]] && source mailcow.conf [[ -f ../mailcow.conf ]] && source ../mailcow.conf POSTFIX=$(echo | openssl s_client -connect ${MAILCOW_HOSTNAME}:${SMTP_PORT} -starttls smtp 2>/dev/null | openssl x509 -inform pem -noout -enddate | cut -d "=" -f 2) DOVECOT=$(echo | openssl s_client -connect ${MAILCOW_HOSTNAME}:${IMAP_PORT} -starttls imap 2>/dev/null | openssl x509 -inform pem -noout -enddate | cut -d "=" -f 2) NGINX=$(echo | openssl s_client -connect ${MAILCOW_HOSTNAME}:${HTTPS_PORT} 2>/dev/null | openssl x509 -inform pem -noout -enddate | cut -d "=" -f 2) echo "TLS expiry dates:" echo "Postfix: ${POSTFIX}" echo "Dovecot: ${DOVECOT}" echo "Nginx: ${NGINX}"