Hello Per,
You must look. If you have clients by a Provider like Sunrise. (he is listed). Than you have many false positve marked Mails. Sunrise (Freesurf... etc.) Many people here in Switzerland has an Account there.

Is possible in the international Trafic you have less false positives. But here in Switzerland is it possble till 30 % false possitives Mails.

Greetings
Xaver
----- Original Message ----- From: "Per Jessen" <[EMAIL PROTECTED]>
To: <[email protected]>
Sent: Sunday, November 04, 2007 4:43 PM
Subject: Re: [swinog] UCEProtect Blacklist


Peter Keel wrote:

* on the Sat, Nov 03, 2007 at 02:00:15PM +0100, Per Jessen wrote:
I would be interested to know why you find UCEprotect to be
unreliable and unprofessional?

Because of their delisting-procedure. How many networks will end
up in there which have been sending spam at some time, but don't
ever sent spam since then, because their admins fixed the problem,
or the net got reassigned or whatever?

UCEprotect level1 and -2 both include automatic delisting.  Only level3
does not seem to have automatic delisting.

With UCEprotect, I estimate about 30% of their entries being
listed are such false positives, and this will of course raise
and raise..

I ran some stats on our traffic (we use UCEprotect 1,2,3) for all
of october - false positives per level:

level1 = 0.75%
level2 = 2.06%
level3 = 0.96%  (we have been using level3 experimentally for the last
third of october)

false positive = non-spam email sent by levelX listed server.


Per Jessen

--
http://www.spamchek.com/ - your spam is our business.

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