--[ UxBoD ]-- uxbod at splatnix.net
Mon Apr 12 16:11:40 IST 2010

From: mailscanner-bounces at lists.mailscanner.info [mailto:mailscanner-bounces at lists.mailscanner.info] On Behalf Of --[ UxBoD ]-- 
Sent: 12 April 2010 14:55 
To: MailScanner discussion 
Subject: Re: Watermarking 


I really like the watermarking and find it useful and currently have it set to add 3 points to the SA score. I was wondering if there is an easy way to get it to appear as a SA rule rather than just adding to the score? It’s easier to explain if it is in a spam report than having to explain the SA score is 3 points high because of something you can’t see... 

I was thinking of a SA rule based on a header that is set if the message fails watermarking? Then I can turn off the rule in MS itself and just let SA mark the mail. 


Why would you wish to add 3 points to the score ? I thought that watermarking was to prevent backscatter plus the ability to bypass spam checks if the email originated from your server. Would you not wish to reduce the score by 3 points if the watermark was valid; unless I am missing something ? 

Thanks – Phil 

Currently we don’t outright reject emails without a watermark as some of our users still send email via other means and we don’t have a way of preventing that at the moment. I could exclude their domains from watermark checking, but until then its easier to add a few points to the spam score and let that and the other SA ratings take care of it. 


Jason, I see where you are coming from now ... Looking at the code I do not think it would be that difficult to add this in; similar to the way SaneSecurity sigs etc are handled. Let me perform a bit more research and will see if I can get a patch together. 

Thanks, Phil 

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