[PLUG] SMTP action codes

[Michael Rasmussen]

Rich,

>From RFC 1893 which defined the error codes:

 The class sub-code provides a broad classification of the status.
   The enumerated values the class are defined as:

    2.X.X   Success

       Success specifies that the DSN is reporting a positive delivery
       action.  Detail sub-codes may provide notification of
       transformations required for delivery.

    4.X.X   Persistent Transient Failure

       A persistent transient failure is one in which the message as
       sent is valid, but some temporary event prevents the successful
       sending of the message.  Sending in the future may be successful.

    5.X.X   Permanent Failure

       A permanent failure is one which is not likely to be resolved by
       resending the message in the current form.  Some change to the
       message or the destination must be made for successful delivery.

This may be covered in an appendix of the book you have.


--  
  Michael Rasmussen - Network Engineer, Columbia Management
  voice:  971-925-6723  cell:  503-807-1447  rasmussenm at columbiafunds.com
  <mailto:rasmussenm at columbiafunds.com> http://www.columbiafunds.com


> -----Original Message-----
> From: Rich Shepard [mailto:rshepard at appl-ecosys.com]
> Sent: Thursday, May 09, 2002 9:04 AM
> To: plug at lists.pdxlinux.org
> Subject: Re: [PLUG] SMTP action codes
> 
> 
> On Thu, 9 May 2002, Wil Cooley wrote:
> 
> > Generally, if memory serves, 400 codes are temporary 
> failures and 500 are
> > permanent.  For spam you probably want to use 550.
>  
> Wil,
> 
>   That's what I've seen in the access file here. According to my book,
> 
> 450	Requested mail action not taken: mailbox unavailable
> 
> 550	Requested action not taken: mailbox unavailable
> 
>   Nothing in the text regarding temporary or permanent.
> 
>   Really doesn't matter to me, I'm just curious as I build my 
> own list of IP
> addresses and blocks to bounce.
> 
> Thanks,
> 
> Rich
> 
> 
> 
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