I've tighted up the spam filters to deal with the spam-in-an-image spams;
we get about 2 dozen per day, and we've only had one false positive in
five months since I started moderating them.
Here is the new "instant-death" filter:
A message which is of MIME type "multipart/alternative" or
"multipart/related", containing both a "text/html" type part
and an "image/*" type part.
While I suspect it's not quite MIME-kosher, you can use a
"multipart/mixed" body with "text/html" and "image/*" if you
really
need to. You'll still probably be delayed by one of the anti-HTML
filters, but the message won't be discarded. Avoiding any HTML in
your posts is still the best policy.
Here is a somewhat laxer criterion which will result in a post being
held:
A message which is of MIME type "multipart/alternative"
or "multipart/related", containing an "image/*" type part.
For more information about XEmacs mailing list policies, please see
http://www.xemacs.org/Lists (or one of the mirrors).
Yes, this content really ought to be moved to
lists.xemacs.org (with
an HTTP redirect from the URL above), but it's currently non-trivial
because we share the Mailman installation with other virtual hosts.
I'm working on it, but advice from experienced Apache and Mailman
admins would be gratefully accepted.
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