Caution! Don't attempt the Postini to Google Apps transition

Larry Sheldon LarrySheldon at
Sun Sep 8 21:49:08 UTC 2013

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)

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