Re: [exim] spam problems

On Thu, 19 Mar 2009 07:36:46 -0700 Dan_Mitton@??? wrote

> First, I completely agree with Richard, you need to be rejecting unknown
> recipients and/or discard'ing (eating) unwanted messages. I believe this
> kind of unwanted bouncing is generally called back scatter. You might
> want to google that for some more ideas.
>

You should _never_ discard any mail. This is called a lost mail, if it was
legitimate, no one would ever know it wasn't received. You should always reject
unwanted mails.