Email address spoofing

[Alex Neuman van der Hans]

The milter-null feature will stop e-mail without the watermark from  
reaching MailScanner and works on sendmail (possibly postfix). The  
watermark feature is more "complete" in that it allows more control.

On Oct 2, 2008, at 7:56 PM, Henry Kwan wrote:

> If you are already using the MailScanner "watermark" feature, is  
> milter-null
> needed?  Is there concern that the watermark can be spoofed?