Hey everyone, I had the below rules in my rules.ima and my orules.ima (Imail 8 and W2k SP4)
...
B~na_me=.*\.com:NUL...
Now my hope was to stop any emails with these attachments from going in or out from my server. Now as soon as I put this in my outbound rules, I can not reply to messages... I get and error like:
This is one of the problems inherent with filters -- false positives.
HTML E-mail usually has "na_me=", followed later by something like "www.example.com". It is impossible to create a filter that will accurately catch attachments (that's really a job for a virus scanner or similar program), but if you are careful, you can do a good job at it.
For example, filtering for "filena_me=" will significantly reducing the false positives, while catching most (but not all) E-mails with .com attachments.
-Scott
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