The Top 10 Spamming ISPs Might Surprise You

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From Spamhaus. This is absolutely ridiculous, isn’t it? Verizon and ATT (with Yahoo!) both tout their Spam-blocking capability… but they are by far the ISPs that are the source of the most spam! If Spamhaus can identify these issues and track them back, how come Verizon and ATT (and others) can not diligently track and shut down these users?

My good friend, Bill, has the best metaphor for situations like this… It’s like the exterminator releasing the roaches!

The 10 Worst Spam Service ISPs
As at 02 June 2007
Rank
Network
Number of Current

Known Spam Issues
1
verizon.com
2
att.net
3
vsnlinternational.com
4
xo.com
5
comcast.net
6
pccwglobal.com
7
cnuninet.com
8
yipes.com
9
fibertel.com.ar
10
mzima.net
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