[OT] - Configure sendmail to drop incoming unknown user emails

[Scott Silva]

on 5-20-2010 12:11 PM Miguel Koren O'Brien de Lacy spake the following:
> Scott;
> 
> Thanks for your reply. I see that I made a mistake in my orignal post.
> :-( I meant to say that "I want the sender to think that the email was
> received and then I want to put in into /dev/null (only for emails to
> unknown users)". Right now this sendmail out of the box sends back a
> user unknown error message. I want to disable that and throw that email
> away.
> 
> Miguel
That will be hard to do , at least with sendmail alone.. You might be able to
do it with a milter like mimedefang.