Clive McDowell wrote: > I have a feeling the answer to this is obvious but I can't figure it
> out from the manual or the archives. I know it's possible to filter on > headers such as $h_subject but what about non-standard ones e.g. X-
> blah?
> Yep. In a very similar way.
eg.
if $h_X-Spam-Flag contains "yes" then
John