Re: 2821bis/ter and procedures (was: Re: retry question)

[Richard Kay <rich@xxxxxxxxxxxxx>]

On Fri, Aug 08, 2008 at 05:12:25AM -0000, John Levine wrote:
> 
> Straw man:
> 
>   220 server
> 
>   EHLO foo
>   250 whatever
> 
>   MAIL FROM:<a>
>   250 ok
> 
>   RCPT TO:<b>
>   250 ok
> 
>   RCPT TO:<c>
>   450 try later
> 
>   RCPT TO:<d>
>   550 no such user
> 
>   DATA
>   blah blah
>   .
>   554 ugh
> 
>   QUIT
>   220 server
> 
> Which, if any, of b, c, and d get retried?  Why or why not?  What if
> the 554 were a 450?

My take FWIW, is that none should be retried because the data is 
rejected (probably based on content analysis e.g. spam or
virus). If the data response were a 450, a+b+c should be retried.

Richard.

> 
> R's,
> John