How to prevent users from receiving email

[Darrin Chandler]

On Sat, Aug 19, 2006 at 07:40:02PM -0400, Bill Moran wrote:
> Daniel Gerzo <danger at FreeBSD.org> wrote:
> 
> > Hello Bill,
> > 
> > Sunday, August 20, 2006, 1:21:39 AM, you wrote:
> > 
> > > Apparently my memory is useless and I've lost the ability to use
> > > google as well.
> > 
> > > I just added a user account to a mail server, but I don't want that
> > > user to receive mail on that server.  It's running Postfix.
> > 
> > > I seem to remember a canonical method for preventing certain users
> > > from receiving email.  But my memory has failed, and I can't seem
> > > to find anything on google.
> > 
> > > Is it an /etc/aliases trick?
> > 
> > Indeed. Just make it go to /dev/null:
> > 
> > user: /dev/null
> > 
> > Do not forget to run newaliases ;-)
> 
> Hmm ...
> 
> That works, but it would be nice to have it reject the mail instead.
> Otherwise, someone could hog a lot of my bandwidth sending mails to
> the bit-bucket.

virtusertable allows you to do that, like:

user at example.com	error:5.7.0:550 No such user.

or something like that...

-- 
Darrin Chandler            |  Phoenix BSD Users Group
dwchandler at stilyagin.com   |  http://bsd.phoenix.az.us/
http://www.stilyagin.com/  |