Can I keep users from receiving mail from the Internet?

[Simon Windsor]

Fedora wrote:

>I'm using sendmail as the MTA and I would like to make it impossible for
>certain users (root comes to mind, but there are other userids as well) to
>receive email from the Internet.
>
>I'd like to "block" it, as opposed to having some sort of filter throw it
>away after it's arrived.  Ideally, these few userids would appear to be
>invalid to anyone outside my network.
>
>On the other hand ... I do need for all users to be able to receive email
>"internally" (i.e., from localhost).
>
>In my case, spammers have discovered that there is <gasp!> a "root" user
>that they can send email to.
>
>Any thoughts?
>
>Thanks much,
>Charlie
>
>  
>
Hi

A solution to this may be to use forward files.

One possible drawback though is some spam spoofs @localhost,.

-- 
Simon Windsor

Eml: simon.windsor at cornfield.org.uk
Tel: 01454 617689
Mob: 07960 321599