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Does your commercial spam filter add value?

Problem reported by Douglas Foster - Today at 12:56 PM

Submitted

I just did a detailed analysis of my commercial spam filter:

50.5% allowed by whitelisting rule

24.4% allowed by default

6.5% blocked by free RBL service

15.0% blocked or quarantined by rules that I have configured

3.6% blocked or quarantined by vendor-supplied rules, of which 1% is a scoring system with low accuracy.

3.6% is better than nothing, but is not a good representative of an industry that says "trust us and we will make your spam problem go away." This is why I don't want to upgrade to their more expensive cloud solution, and why I want to develop an alternate source for outbound encryption.

Can someone offer evidence that they have found a product which adds value consistent with its price?

1 Reply

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Gabriele Maoret - SERSIS Replied

Today at 1:19 PM

I tested Cyren and MessageSniffer for quite a long time and now I can say that, IMHO, they are nearly useless...

Sure, every now and then they manage to catch something that might have been missed...

But out of tens of thousands of emails containing a lot of spam/phishing scams or worse, they only catch a few, and that doesn't justify the cost...

Gabriele Maoret - Head of SysAdmins and CISO at SERSIS Currently manages 6 SmarterMail installations (1 in the cloud for SERSIS which provides services to a few hundred third-party email domains + 5 on-premise for customers who prefer to have their mail server in-house)

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