Re: [Asrg] What are the IPs that sends mail for a domain?

John Levine <johnl@taugh.com> Thu, 18 June 2009 21:42 UTC

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Date: 18 Jun 2009 21:42:21 -0000
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From: John Levine <johnl@taugh.com>
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Subject: Re: [Asrg] What are the IPs that sends mail for a domain?
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>> [ marking valid SMTP client hosts ]
>> There a lot of problems with this idea, and if memory serves, both
>> Dave Crocker and John Levine pointed them out at the time.  But I think
>
>Are there problems that would extend beyond the problems of traders in 
>improper material who don't want their material sitting in queues on the 
>ISP MTA?

The problems were technical, putting records other than PTR in the
rDNS zone.  That's why Dave and I came up with CSV.

Pretty please, read http://www.mipassoc.org/csv/ if you want to continue
this discussion.

R's,
John