[Mimedefang] smtp spoofing

[Alberto da Silva]

On 6/2/05, Super-Dome <talha at worldcall.net.pk> wrote:
> Dear ALL
> 
> how can i disallow use of my domain from outside network using *From address
> of my domain .
> 
> help needed !
> 
> Regards
> 
> SD

This works well for me:

/etc/mail/access
From:worldcall.net.pk                  ERROR:5.7.1:550 From domain invalid

Alberto da Silva