[Mimedefang] Rejecting forged senders - comments?

[Jan-Pieter Cornet]

On Wed, Sep 20, 2006 at 01:44:22AM -0700, John Rudd wrote:
> But:
> 1) to reject based on the content of the HELO string is an RFC violation

This is a blatant and oft-repeated lie. Section 4.1.4 in RFC2821 contains
very specific wording. Only an IP mismatch is disallowed as a reason for
rejection. For any other violation, even if it's a local policy violation,
you are allowed to reject the HELO/EHLO argument.

-- 
Jan-Pieter Cornet <johnpc at xs4all.nl>
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