Re: Email Portability Approved by Knesset Committee

[Tony Finch <dot () dotat at>]

On Mon, 22 Feb 2010, Steven Bellovin wrote:
> 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...

See the 251 and 551 response codes first specified in RFC 788 section 3.2
and currently specified in RFC 5321 section 3.4. No-one implements them.

Tony.
-- 
f.anthony.n.finch  <dot () dotat at>  http://dotat.at/
GERMAN BIGHT HUMBER: SOUTHWEST 5 TO 7. MODERATE OR ROUGH. SQUALLY SHOWERS.
MODERATE OR GOOD.