On 5/9/06, Andy Bradford <[EMAIL PROTECTED]> wrote:
My question wasn't  clear enough... where in WHOIS does  it list this IP
as belonging to a cable/dsl/dialup pool?

That data is usually stored in an RBL (aka DNSBL, DNS blacklist). Some ranges are well known to be dynamic pools. RBLs keep lists of
those and mail servers query those list when deciding to accept or
reject.

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