Need some more information: - do you use SMTP Proxy for mail relaying? - how many mails are in your queue? - is DNS working on your firewall? - did you ever receive a notification email from the firewall?
Need some more information: - do you use SMTP Proxy for mail relaying? - how many mails are in your queue? - is DNS working on your firewall? - did you ever receive a notification email from the firewall?