New options available for scanning of Malformed MIME are not properly explained in the online help of SMG 10.5.1. These options are available under Protocols - Settings - Content Scanning - Advanced.
The following options have been added to Protocols - Settings - Content Scanning - Advanced, and are correctly described in online help for this section as of SMG 10.5.2. References to these settings in other sections of the GUI can be safely ignored and will be removed at a later date.
Allow malformed MIME
MIME fuzzy main header
Ignore invalid MIME headers
Allow bare carriage return
Allow bare line feed
Extract OLE 1.0 native only