[165561] in North American Network Operators' Group
Re: Caution! Don't attempt the Postini to Google Apps transition
daemon@ATHENA.MIT.EDU (Larry Sheldon)
Sun Sep 8 17:49:50 2013
Date: Sun, 08 Sep 2013 16:49:08 -0500
From: Larry Sheldon <LarrySheldon@cox.net>
To: nanog@nanog.org
In-Reply-To: <NjfV1m01D1Una3W01jfWxr>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On 9/8/2013 2:38 PM, Anurag Bhatia wrote:
> Hi Matthew
>
>
> Interesting experience.
>
>> first into a black hole, and then bouncing with permanent failures.
>
>
> What you mean by permanent failures? Can you share error you saw in bounce
> report?
> RFC 2505 Anti-Spam Recommendations February 1999
>
>
> 1.6. SMTP Return Codes
>
> SMTP has several classes of Return Codes, see [1] for a discussion:
>
> o 5xx
> is a Permanent Negative Completion reply (Fatal Error) and
> results in the mail transfer being terminated and the mail
> returned to sender.
--
Requiescas in pace o email Two identifying characteristics
of System Administrators:
Ex turpi causa non oritur actio Infallibility, and the ability to
learn from their mistakes.
(Adapted from Stephen Pinker)
