Re: Last Call: draft-klensin-rfc2821bis

[Ned Freed <[e-mail]>]

> It might be the case that it's useful for an MTA to have an option to
> skip MX lookup for specific destinations because of DNS brokenness at
> those destinations.  But this seems to me to be outside of the scope of
> the standard.

By the same token, discussions of gatewaying to non-Internet systems could be
considered "outside the standard". But RFC 2821 devotes many pages to
discussing this sort of thing.

> Skipping MX lookup is not acceptable as a general
> practice, nor is it something we want to encourage.

I never implied that it was acceptable. In fact I'm fairly sure I said
the exact opposite.

> In general, it's always been acceptable to configure an MTA to handle
> mail in some special-case way for specific domains where there was
> specific knowledge such that the special-case handling made sense for
> those domains.  The MX-then-A lookup is what you should do in the
> absence of any such knowledge.

Yep.

				Ned
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