[Mimedefang] How can I get just the domain from $sender

[Damrose, Mark]

> -----Original Message-----
> From: mimedefang-bounces at lists.roaringpenguin.com 

> We use confidentiality statements as well, but we split in 
> and outbound on different servers so we don't have this 
> particular issue.  The issue we haven't solved yet is how to 
> avoid adding it every time replies go back and forth.  If 
> someone figures that out please share :).

Check for the presence of either a References: or In-Reply-To: header.