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Keithj

I'll feel better after a little rant...

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I administer a Mailman discussion list for a small group of friends. Needless to say, the spammers have got hold of the list address and give us the full benefit of their wares. Since it's a "members only" list, the spam doesn't get out to the list members, but I have to clear out anything up to 100 spams a day from the "filters", which is a pain.

The dumb thing is that the spams are the same dozen or so items, repeated ad nauseam several times a day each. Viagra, willy pullers, "validate your account at XXX bank", Nigerian bankers with spare millions...

I spamcop them when I have time. What I notice is that a high percentage come from what I think are two US sources: verizon.net and rr.com. That surprises me - I'd have thought US ISPs would quickly close the accounts of spammers, but it seems Verizon and RR don't do that. Do we know why?

Yes, the rest are from China, Korea, or Brazil with an occasional other source.

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I think that they are compromised end users on verizon and rr where the spam is coming from.

Why is that verizon and rr are not good netizens. They don't want to take the time to correct the problem because time costs money. Server admins can block all of verizon and rr except for the mail servers so that there is no incentive for them to change their ways.

At least that's the way I understand it.

Miss Betsy

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Well, verizonbusiness.com has the distinguished position of worst spam source in the world according to Spamhaus statistics.

rr.com is a bit more responsive, but not much. It seems for the most part that the bigger an ISP is, the less likely they are to deal with their spam problems in a timely manner. Its the "You're just one customer, you don't matter" syndrome.

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Those cable providers probably aren't yet blocking "direct to SMTP" outbound connections from their users' machines (port 25 blocking). I'm pretty sure that all of the other major broadband providers have gone that route (mine has) and it makes a big difference, because most of that Roadrunner and Verizon spam you're talking about is coming from infected machines -- it's not being intentionally sent by the owners of those computers.

DT

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