I guess I'm missing something here. Does Cybersitter eliminite 94 percent of the overall SPAM ? Are we talking about cybersitter, the $29.95 product located on this link ??
http://www.cybersitter.com/antispampg.htm ---------- Original Message ---------------------------------- From: "R. Scott Perry" <[EMAIL PROTECTED]> Reply-To: [EMAIL PROTECTED] Date: Mon, 03 Mar 2003 14:11:41 -0500 >About a year ago, we started to go through our spamtraps (E-mail addresses >designed to collect spam), to find out which spam tests were most effective >at catching spam. The results this month are based on over 25,000 spams >that were received, all in February, 2003. In February, our spamtraps >received over 25% more spam than January. In February, 2003 we received >more than 7 times as much spam as in February, 2002! > >The following is a list of tests that we run against the E-mails arriving >at the spamtrap, and what percentage of the spam they caught (it may be >easier to read if you use a fixed-width font): > > >WEIGHT10 99.63% [FP:~1%] >WEIGHT20 98.48% [FP:~5%] >SPAMCHK 95.50% [FP:~50%] >SNIFFER 94.98% [FP:~2%] >CYBERSITTER 94.06% [FP:~5%] >IPNOTINMX 81.94% [FP:~22%] >WIREHUB-DNSBL 79.17% [FP:~1%] >SPAMCOP 70.66% [FP:~1%] >XBL 69.14% [FP:~70%] >MAILDEFLECTOR 46.17% >DSBLALL 41.61% >DSBL 40.44% >MONKEYPROXIES 37.60% >SPAMHEADERS 36.82% >REVDNS 36.68% >SPAMHAUS 36.57% >OSSOFT 34.47% >FREEMAIL 32.15% >DORKZTL 31.39% >NOPOSTMASTER 30.78% >HELO 27.18% >BLITZEDALL 26.83% >BADHEADERS 26.43% >OSSRC 24.47% >INTERSIL 24.41% >POSTFIXGATE 23.75% >NOABUSE 22.58% >BLARSBL 20.88% >BADWHOIS 18.06% >FIVETENDUL 17.62% >FIVETENSRC 15.44% >OSPROXY 15.26% >BASE64 13.09% >ROUTING 12.05% >VOX 10.84% >IPWHOIS 8.57% >DNSRBL-SPAM 7.78% >NJABL 7.19% >SPAMBAG 6.79% >FIVETENIGNORE 6.11% >FABELSOURCES 5.45% >OSRELAY 5.44% >FIVETENOPTIN 5.34% >DSN 5.26% >KUNDENSERVER 4.70% >BLITZEDHTTP 4.41% >ORDB 4.09% >DELINK 3.57% >LNGSDUL 2.74% >DNSRBL-DUN 2.73% >MAILFROM 2.19% >DORKS 2.13% >BLITZEDSOCKS 2.13% >NJABLDUL 2.02% >COMPU 1.98% >WIREHUB-DYNA 1.78% >KITHRUP 1.70% >PIGS 1.47% >COMMENTS 1.35% >DSBLMULTI 1.20% >OSDUL 0.75% >DEVNULL 0.40% >ABL 0.40% >FIVETENOTHER 0.33% >LNGSBLOCK 0.25% >NONENGLISH 0.18% >FIVETENMULTI 0.17% >JIPPG-DUL 0.14% >DORKRELAYS 0.13% >FLOWGO 0.11% >DNSMAILLIST 0.08% >FIVETENWEBFORM 0.06% >BLITZEDWINGATE 0.06% >DNSUCE 0.03% >OSLIST 0.01% > > >The WEIGHT10 and WEIGHT20 tests are a weighting system that assigns a >weight to each E-mail, based on the spam tests that fail, so they don't >really count as spam tests by themselves (but, they show that you can catch >as much as 98-99% of spam with extremely few false positives). It is also >important to note that different tests are more likely to produce false >positives (such as the IPNOTINMX, XBL, REVDNS, and SPAMHEADERS tests, that >all catch a lot of spam, but catch a lot of legitimate mail as well); those >tests are best used in a weighting system, so E-mail will only be marked as >spam if it fails a combination of tests. > >There are 3 tests that caught over 90% of the spam in our >spamtraps: SPAMCHK ( http://www.riedmann.it/spamchk/ ) at 95.50%, SNIFFER >( http://www.sortmonster.com ) at 94.98%, and CYBERSITTER ( >http://www.spammanager.com ). All tests that caught over 50% of the spam >have an approximate false positive percentage as well. > >For false positives, the rate would be much lower if we whitelisted >legitimate-but-poorly-maintained mailservers. Also, the false positive >rate is based on a portion of legitimate E-mail that we process here; >different false positive rates may be found with different types of E-mail >(for example, the false positive rates for SPAMCHK, SNIFFER, and >CYBERSITTER are disproportionately high, as they examine the content of >E-mail, and we receive a lot of legitimate E-mail that has copies of spam >in it). > >More information on most of the various spam tests shown above can be found >at http://www.declude.com/junkmail/support/ip4r.htm . You can look up an >IP address using the Spam Database Lookup tool at http://www.DNSstuff.com >to see what spam databases it is listed in. The most recent 20 spams in >our spamtraps, and the tests they failed, can be found at >http://www.declude.com/spamtrap.htm . > -Scott > >--- >[This E-mail was scanned for viruses by Declude Virus (http://www.declude.com)] > > >To Unsubscribe: http://www.ipswitch.com/support/mailing-lists.html >List Archive: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ >Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/ > To Unsubscribe: http://www.ipswitch.com/support/mailing-lists.html List Archive: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/
