Following the Messaging Gateway (SMG) 10.7.0 release, the Unscannable/Malformed Mime and Unscannable/Mismatched filename verdicts are no longer generated by Messaging Gateway due to updates to the Malware scanning engine but these verdicts were still listed as optional filters for Message Audit Log (MAL) searches.
With the SMG 10.7.3 release, the following verdicts have been removed from the list of Message Audit Log optional filter values:
The removal of these optional MAL search filters is by design as SMG no longer generates these verdicts.