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Chris Santerre writes: > > -----Original Message----- > > From: Steven Champeon [mailto:[EMAIL PROTECTED] > > Sent: Wednesday, February 11, 2004 10:12 PM > > To: [EMAIL PROTECTED] > > Subject: BLOCK: even more useless spam stats > > > > > > The perennial question here seems to be "where does it all come from", > > and in the spirit of answering that question, here are the top however > > many sending domains/cc.tlds for messages we rejected as spam (which, > > given how much we reject, is a lot more accurate than "spam > > we received") > > since 1/1/04 (domains/cc.tlds with more than 5 attempts): > > > > 585 comcast.net > > 402 rr.com > > 188 attbi.com > > 175 pacbell.net > > 165 ameritech.net > > 130 shawcable.net > > 128 adelphia.net > > 125 optonline.net > > 106 wanadoo.fr > > 105 verizon.net > > 103 bellsouth.net > *snip* > > 15 cox-internet.com > *snip* > > > > Comcast should feel right at home with Disney. BTW -- a comment on these. Whatever you do, don't get the impression that blocking these hosts in any way is a good idea -- SC hasn't provided any info on *non*spam output, so there's no indication of what the baseline is, or what *proportion* of mail from those servers is spam. - --j. > > I just changed my outlook on my ISP. Cox.net (which I think is slightly > different from cox-internet.com) I hate that they are a monoploy, but look > at this from there website: > > "To reduce unsolicited bulk email sent on our Cox High Speed Internet > network, Cox instituted outbound SMTP traffic filtering (port 25 filtering). > Currently Cox also filters all inbound SMTP traffic in an effort to protect > unsecured computers on the network from being used as mail relay by > potential spammers. > > The outbound SMTP traffic blocking security measure is designed to protect > Internet users and the Cox High Speed Internet network. The vast majority of > customers are not affected by this practice in any way. However, a small > number of customers who use e-mail addresses outside of the @cox.net domain > and who do not currently have their SMTP servers set for Cox mail servers do > need to change their settings. The requirement that Cox servers be used for > all outgoing mail is simply so that Cox can observe and control spammers by > removing them from the network. > > Outbound SMTP traffic blocking is quickly becoming an industry standard. > Other ISPs who block port 25 include Bellsouth, Earthlink, Mindspring, > Verizon, Mediaone, and MSN. > Since the implementation of the port 25 blocking procedure, Cox has seen > significant decreases in the residential Cox High Speed Internet complaint > counts for different abuse types impacted by the port 25 blocking. Port > scanning complaints decreased by 36%, virus complaints by 41%, spam > complaints by 52%, and open proxy by more than 78%. > > Port 25 blocking also helped to control the impact viruses that have > polluted the network by preventing their spread via email routing through > port 25. " > > Apparently Verizon and Bellsouth block??? Doesn't look like it!!! > > --Chris -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.3 (GNU/Linux) Comment: Exmh CVS iD8DBQFAK8dEQTcbUG5Y7woRAkLzAJ9QsWHFmYUCt2MHta5ZUaE+EVDCHwCfeDzS gwv6xgyI+vhHsZjEqNRjCHw= =yK0j -----END PGP SIGNATURE-----
