Watermarking

[Greg Matthews]

Peter Farrow wrote:
> What I would like to do is use a sendmail milter of some description, on the 
> clients outbound relays, to add a watermark generated from the same "secret" 
> which my scanners can verify if it comes back through the mailscanner servers as 
> a failure notice.

milter-null. install it on both in and outbound MTAs using the same secret.

GREG

> 
> If the answer is no, I'll build a cluster of outgoing only customer relays with 
> Mailscanner on them and get all clients to use it as a smarthoust...
> 
> Regards
> 
> Pete
> 


-- 
Greg Matthews           01491 692445
Head of UNIX/Linux, iTSS Wallingford

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