I used to use this for antispam filtering, but it made evolution pretty
slow when clicking send/receive, if I happened to have received a lot of
new mail - So I've gone back to spam filtering via procmail now that our
mail server handles load better. This method does, however, have the
attribute of doing the filtering on the machine you're running evolution
on though, instead of the machine that delivers the mail - sometimes
that's better, sometimes that's not.
So here it is:
