A content filtering rule is configured to detect certain terms within Attachment Content with SMSMSE 6.5.8, but when an attachment is sent containing one or more of the defined terms, the content filtering rule does not trigger as expected.
An update to the content filtering component of SMSMSE in the 6.5.8 build caused problems with the attachment content scanning of .eml formatted emails.
Symantec is aware of this issue. This document will be updated once a solution is available.
Apply the attached hotfix file to fix the root cause of this issue.
To apply the hotfix: