On Tue, 31 Aug 2010, Len Conrad wrote:

At 12:41 AM 8/31/2010, you wrote:
On Mon, 30 Aug 2010, Len Conrad wrote:

for

1. rejects of high-rate @sender.garbage.domain or rhsbl garbage domains

Can you provide a sample of each pls?

My msg had nearly 250+ examples of 12-letter <garbage-domain>.tld

But it had no example of such actually being used in a message header or body.

Len

Detecting either of those _should_ be trivial, but I'd like to see a sample before suggesting rules.

Okay, how well do these work for you?

header         FROM_12LTRDOM       From =~ /\...@[a-z]{12}\./

uri            URI_12LTRDOM        m,://(?:[^./]+\.)*[a-z]{12}\.[^./]+/,


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