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Re: [OT] HELO/rDNS Checking Policy (was: Re: Acceptance of domain literals)
From: Alex van den Bogaerdt (alex
ergens.op.het.net)
Date: Sat Jan 03 2004 - 10:18:50 CST
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On Sat, Jan 03, 2004 at 11:02:26AM -0500, Jim Seymour wrote:
> He didn't explicitly refuse to accept your response. His MTA config
> refused to accept email from a server whose HELO violates RFC 1123.
> Admittedly, that RFC says one MAY verify, but MUST not reject on a
> failure, so Mr. Woods is, technically speaking, violating the RFCs
> worse than you are.
RFC1123, section 5.2.5, does not say this. It tells you that one
should not refuse a message when the HELO parameter does not match
the connecting IP address. No other reasons to refuse are mentioned.
cheers,
Alex
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