On Sat, 31 Jan 2004, Kevin Reed wrote:
>
> Alan J. Flavell said:
> > By the way, a possibly dumb question: can a spamassassin recipe
> > actually distinguish whether it's dealing with a bounce or with a
> > non-null envelope sender?
> You could create a header that you could then key on that indicates the
> message has a null envelope sender.
Yup, there's always that possibility, isn't there?
But now that I managed to think about it, surely this (viz. in a
spamassassin .cf file) will suffice, won't it?
header IS_A_BOUNCE Return-path =~ /^\<\>$/
cheers
