[122890] in North American Network Operators' Group
Re: Email Portability Approved by Knesset Committee
daemon@ATHENA.MIT.EDU (John Levine)
Mon Feb 22 23:38:41 2010
Date: 23 Feb 2010 04:38:10 -0000
From: John Levine <johnl@iecc.com>
To: nanog@nanog.org
In-Reply-To: <fddc4e5f9aeda526d68b236708b0dbc4@yyc.orthanc.ca>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
In article <fddc4e5f9aeda526d68b236708b0dbc4@yyc.orthanc.ca> you write:
>smb@cs.columbia.edu:
>> I am seriously suggesting that a redirect mechanism -- perhaps the
>email equivalent of HTPP's 301/302 -- would be worth considering.
>
>We already have SMTP's 221 and 521 response codes for this. But because the
>response text is free-form there's no way to reliably parse out the new address.
Assuming you mean 251 and 551, the new address is in <brackets> making
it straightforward to parse.
There's the minor detail that nobody has, as far as I can tell, ever
implemented either, but the spec's there if you want it.
R's,
John
