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Re: [dnsext] Some thoughts on the updated aliasing draft

Tony Finch <dot@dotat.at> Mon, 28 March 2011 12:38 UTC

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Date: Mon, 28 Mar 2011 13:40:29 +0100
From: Tony Finch <dot@dotat.at>
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Subject: Re: [dnsext] Some thoughts on the updated aliasing draft
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Mark Andrews <marka@isc.org> wrote:
>
> And SMTP had it correct for the second group.  If the SMTP client
> sees the CNAME it re-writes the names in the SMTP exchange to use
> the cannonical host name.  The SMTP server never see the alias.

That has not been true for over ten years.

Tony.
-- 
f.anthony.n.finch  <dot@dotat.at>  http://dotat.at/
Tyne, Dogger: Variable, mainly south or southwest 3 or 4, occasionally 5.
Slight or moderate. Fair. Good, occasionally poor.

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