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Re: [Asrg] Some data on the validity of MAIL FROM addresses

At 08:58 PM 5/18/2003 -0400, Kee Hinckley wrote:


At 10:53 AM +0100 5/18/03, Jon Kyme wrote:

 >

 Interesting that the results vary so much by ISP.  Yahoo accounts are
 pretty valid.  Hotmail accounts are pretty bad.  AOL is quite good.
 Earthlink has a problem.  MSN's slightly better, but still negative.


Of course yahoo will say 250 to pretty much anything.
So these addresses are "valid" in what sense exactly?
They said "no" to 16% of the messages I queried them on. The specific message they used was:

553 VS10-RT Possible forgery or deactivated due to abuse (#5.1.1)

Can you show instances in which they say yes to messages they cannot deliver?
Well they can say yes even though it cannot be delivered - see RFC 2821, section 3.3.

Ykaov
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