ietf-smtp
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Re: [ietf-smtp] test for port 25 of sending MTA - for spam detection

2013-08-23 12:25:52
Yes I understand that large organisations have separate receiving and sending 
MTAs.
As they are large, they can probably be identified in some way.

My mail system is tiny, and it uses separate inbound and outbound IPs.

This is a Known Bad Idea.  Really.

R's,
John

PS: I guess I should add it to the wiki at wiki.asrg.sp.am.
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