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> The DUL list is extremely useful. J.D. can correct me if I am wrong, but > they don't do any probing with this list; they just list the IPs that are > in dialup pools. It doesn't matter if they have an open relay or no mail > server at all. Since there's rarely any legitimate reason for someone to > be sending mail from a mail server on a dialup line, this easily blocks a > large source of spam with little risk. More to the point, they only list IP networks that the administrator of the network has _asked_ them to list. This list is a voluntary opt-in on the part of the ISP in question. -- Joe Rhett Chief Technology Officer [email protected] ISite Services, Inc. PGP keys and contact information: http://www.noc.isite.net/Staff/
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