From Newsgroup: comp.sys.mac.system

I'm trying to come up with a mail filtering rule for Mail.app that will
let me send to the Junk mailbox all email that's in HTML format and does
not come from people I know. It looks easy enough, but the obvious, two-
line rule ("body of the message contains 'HTML'" and "sender is not in
my address book") is conspicuously failing to have any effect whatsoever...
Is HTML mail not parsed for filtering like plain text email is?

Thanks.

--
There are two rules for success in life:
1) Don't tell others everything you know.
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