It appears that Viktor Dukhovni via Exim-users <exim-users@???> said:
>That text is obsolete. There is no such text in RFC5321, and
>CNAME-valued mail domains have long been OK. The sending MTA (its DNS
>resolver) is expected to restart the MX lookup at the target of the
>CNAME, and if no MX records are found, use the final A/AAAA records.
Huh, you're right. In my minor defense, the CNAME code was written in
1998, RFC 2821 was published in 2001, and as far as I can tell this is
the first time in 20 years that I've sent to a CNAME'd domain that
caused a problem. I'll go patch the code.
Just wondering, I'm pretty sure I sent mail to this list in the past.
Is the CNAME new?
R's,
John
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