From: Wietse Venema (wietseporcupine.org)
Date: Wed Oct 01 2008 - 12:02:43 CDT

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Chad Whitacre:
> Wietse,
>
> > Sorry, that is backwards.
> >
> > If you want to "correct" Postfix behavior, then you need to
> > provide supporting documentation that Postfix is in error.
> >
> > So please point out the relevant sections of email related
> > RFCs, otherwise I suggest that you refrain from posting
> > "corrections".
>
> We've got a misunderstanding. I accept your statement that FQDN
> means something different in SMTP than DNS. I'm not trying to
> correct Postfix behavior, I'm trying to find the best reference
> to add to Wikipedia's article on FQDNs. If I'm not mistaken, 5321
> 2.3.5 is this reference (and, coincidentally, it appears that
> 5321 is being published as we speak). Yes?

A mis-understanding as in posting a patch that "corrects" Postfix
behavior without adequate justification.

According to RFC 5312 section 2.3.5, SMTP uses the dot as SEPARATOR
not TERMINATOR in domain names.

        Wietse

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