Re: RFC 2?821 and CNAMEs
martin f krafft <madduck@debian.org> writes:
> also sprach Russ Allbery <rra@debian.org> [2007.10.09.2243 +0100]:
>> Note, though, that STD-10 is a Standard whereas RFC 2821 is still
>> only a Proposed Standard. IIRC, formally the obsolete only fully
>> applies once RFC 2821 reaches the same level in the standards
>> process.
> Does that mean I ought to be changing my DNS setup?
The only thing RFC 821 cares about is what hostnames you use in MAIL FROM
and RCPT TO. If you can ensure that your mail setup uses the canonical
name rather than the alias in the RHS of addresses in MAIL FROM, that will
make the problem go away without changing your DNS.
--
Russ Allbery (rra@debian.org) <http://www.eyrie.org/~eagle/>
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