Subject: Re: How can you block empty email address at sendmail?
To: John Maier <jmaier@midamerica.net>
From: Manuel Bouyer <bouyer@antioche.lip6.fr>
List: netbsd-users
Date: 01/08/2001 19:10:54 
On Mon, Jan 08, 2001 at 11:35:21AM -0600, John Maier wrote:
> I have been locking down my email and I seem to have one last spam hole.
> The spammers send:
> MAIL FROM:<>
> 
> and the sendmail thinks the mail is from postmaster.
> 
> So how do I create a rule to tell sendmail to disallow blank 'from' emails?

If you disable this, you'll also block error messages comming back from other
sendmails, I think.

--
Manuel Bouyer, LIP6, Universite Paris VI.           Manuel.Bouyer@lip6.fr
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