MailScanner

Fixing .docx Quarantine File Problems
If you get this error...

Report: MailScanner: Message contained archive nested too deeply

...then change the MailScanner.conf file setting

Maximum Archive Depth = 5

Release Quarantined Messages
If your MailScaner.conf setting says this...

Quarantine Whole Messages As Queue Files = no

...then do this...

cd /path/to/quarantine/dir sendmail -i alternate_recipient@example.net < message

Taken from http://wiki.mailscanner.info