Re: [Evolution] Using Address Book as white list

[Gordon Burgess-Parker <gordon burgessparker gbpcomputing co uk>]

On Fri, 2006-01-06 at 11:03 +0100, Erik Slagter wrote:
> On Thu, 2006-01-05 at 21:51 +0000, Gordon Burgess-Parker wrote:
> > Is there a way of setting up a message filter that says "if the sender
> > is not in my address book then delete it"?
>
> If possible you'd better implement this at the mail server, so the
> sender knows it's message has been discarded. Using postfix this is
> really easy.

but I don't WANT the sender to know, as that would tell spammers they
have a valid email address!