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Milter-greylist

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Message

Spammers vs. SPF

2005-03-25 by Matthias Scheler

Hello,

a while ago Emmanuel Dreyfus predicted that SPF will become useless
quite quicky. Here is the proof:

Mar 23 18:11:41 *** sm-mta[22869]: j2NHBe7b022869: from=<Control-1066-82345335-Vis@...>, size=6349, class=0, nrcpts=1, msgid=<82345335.230305085833.1066@...>, bodytype=8BITMIME, proto=ESMTP, daemon=MTA, relay=client230.beta-ca.bsm1mx.com [69.25.109.230]

And here the SPF records for the domain "eblue-cten.com":

eblue-cten.com  text = "v=spf1 ip4:69.25.109.0/24 ip4:72.5.1.0/24 ip4:208.184.55.0/25 ip4:64.125.188.0/25 ip4:64.125.87.0/24 -all"

It seems that SPF got useless even before it got widely adopted.

I guess I'll have to disable SPF support in my "greylist.conf" soon.

	Kind regards

-- 
Matthias Scheler                                  http://scheler.de/~matthias/

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