Unplanned Outage: Due to a technical glitch, customers might see higher wait times on Sophos Call Lines. We request for your kind cooperation. Please prefer logging a case via Sophos Support Portal, unless the situation is critical for you.
There is a way to force the sea to send automatic quarantine notification with empty header sender <> .
This will be RFC compliant and less prone to possible attack.
Sending emails to rrchgo@ yahoo.com