Email is being deleted by Messaging Gateway (SMG). In Message Audit Logs (MAL), the verdict is "System denied IP" and filter policy is "static delete".
Verdict: "System denied IP", Filter Policy is "static delete".
When the connecting IP is not a routable IP, SMG will accept the message and scan the message headers for IP's on the Global Bad Sender's list.
If an IP in the header is on the Global Bad Senders list and the configured action is one we can no longer take, such as "Reject SMTP Connection", then the default (static) action will be taken.
To prevent the "static delete" action from being used:
To troubleshoot this issue:
If None of the IP's are listed under "Global Bad Senders", Please contact Symantec Technical Support for further assistance.