In message <[email protected]>, John C Klensin writes:
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>
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> --On Sunday, January 25, 2009 12:30 +1100 Mark Andrews
> <[email protected]> wrote:
>
> > Dotless hostnames are in the local namespace and can *never*
> > be made to work *reliably* in a global context.
> >
> > Note the use of non-heirachical names is undoing the changes
> > introduced by RFC 921 and will introduce problems RFC 921
> > was trying to remove/prevent.
>
> Yeah. Since I have not been able to find a single hint in
> ICANN's new TLD plans that those TLDs would be restricted to
> delegation-only uses, tell it to ICANN. Or tell it to whomever
> is supposed to be supplying adult supervision to ICANN :-(
>
> Not an SMTP problem. SMTP requires FQDNs, without exception,
> and does not permit single-component ones.
>
> john
But it is a problem for SUBMIT.
4.2. Ensure All Domains are Fully-Qualified
The MSA MUST ensure that all domains in the envelope are fully-
qualified.
If the MSA examines or alters the message text in way, except to add
trace header fields [SMTP-MTA], it MUST ensure that all domains in
address header fields are fully-qualified.
Reply code 554 is to be used to reject a MAIL FROM, RCPT TO, or DATA
command which contains improper domain references.
NOTE: A frequent local convention is to accept single-level domains
(for example, 'sales') and then to expand the reference by adding the
remaining portion of the domain name (for example, to
Gellens & Klensin Standards Track [Page 6]
RFC 2476 Message Submission December 1998
'sales.example.net'). Local conventions that permit single-level
domains SHOULD reject, rather than expand, incomplete multi-level
domains, since such expansion is particularly risky.
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>
>
--
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742 INTERNET: [email protected]
