[Helper] Fix expiry-dates.sh

expiry-dates.sh

@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+
+POSTFIX=$(echo | openssl s_client -connect mail.79v.de:143 -starttls imap 2>/dev/null | openssl x509 -inform pem -noout -enddate | cut -d "=" -f 2)
+DOVECOT=$(echo | openssl s_client -connect mail.79v.de:143 -starttls imap 2>/dev/null | openssl x509 -inform pem -noout -enddate | cut -d "=" -f 2)
+NGINX=$(echo | openssl s_client -connect mail.79v.de:443 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}