[122864] in North American Network Operators' Group
Re: Email Portability Approved by Knesset Committee
daemon@ATHENA.MIT.EDU (Steven Bellovin)
Mon Feb 22 15:11:12 2010
From: Steven Bellovin <smb@cs.columbia.edu>
In-Reply-To: <87d3zxhzc4.fsf@mid.deneb.enyo.de>
Date: Mon, 22 Feb 2010 15:10:07 -0500
To: Florian Weimer <fw@deneb.enyo.de>
Cc: NANOG Operators Group <nanog@merit.edu>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Feb 22, 2010, at 1:58 PM, Florian Weimer wrote:
> * Steven Bellovin:
>
>> Right; I was not seriously suggesting that the DNS was the right
>> spot for it. I am seriously suggesting that a redirect mechanism --
>> perhaps the email equivalent of HTPP's 301/302 -- would be worth
>> considering. Then, of course, there's problem of upgrading the
>> $\aleph_0$ mail senders out there to comply...
>
> There's already SMTP support for this, see RFC 5321, section 3.4.
> This has been carried over from RFC 821, which already contain the
> 251/551 response codes.
Thanks; I'd forgotten about those.
>
> However, this is still a public database for which you cannot charge
> access, so it's not the solution we're looking for.
>
--Steve Bellovin, http://www.cs.columbia.edu/~smb
