Re: [evolution-patches] Use of invalid HELO.
- From: David Woodhouse <dwmw2 infradead org>
- To: Jeffrey Stedfast <fejj novell com>
- Cc: evolution-patches lists ximian com
- Subject: Re: [evolution-patches] Use of invalid HELO.
- Date: Thu, 17 Mar 2005 00:18:41 +0000
On Wed, 2005-03-16 at 18:53 -0500, Jeffrey Stedfast wrote:
> better and simpler to just get rid of the whole hostname lookup shit
> and just always use the ip address and be done with it.
The SMTP client MUST, if possible, ensure that the domain parameter
to the EHLO command is a valid principal host name (not a CNAME or MX
name) for its host. If this is not possible (e.g., when the client's
address is dynamically assigned and the client does not have an
obvious name), an address literal SHOULD be substituted for the
domain name and supplemental information provided that will assist in
identifying the client.
I'm intrigued by the "supplemental information" which doesn't seem to be
permitted (at first glance) by the formal grammar. But leaving that
aside, it seems to be fairly clear that if you have a valid FQDN, you
should use it.
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