Understanding Watermarking

Kai Schaetzl maillists at conactive.com
Tue Aug 14 13:44:54 IST 2007

Martin wrote on Tue, 14 Aug 2007 13:04:50 +0200:

> Read about the new watermarking feature. If i understand this correct, 
> both in- and outbound mail must pass mailscanner for this to work 
> correct, right?

Yes. And if you read a bit back on the list you'll see that it doesn't 
work for read receipts, certain DSNs, certain autoreplies and maybe more. 
There's no guarantee that only fake DSNs are detected by this feature.

> Since i'm currently only relaying incoming mail (not outgoing) to an 
> internal exchangeserver, this won't work for me? Is this correct?



Kai Schätzl, Berlin, Germany
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