From: Daniel L. Miller (no email)
Date: Wed May 30 2007 - 21:21:20 EDT
Wietse Venema wrote:
> I will speak really slowly this time.
>
> 1) The RCPT TO command was rejected with "503 5.5.1 Error: nested MAIL
> command".
>
> 2) The RCPT TO command was not rejected with "4xx try later" as
> one would expect with a greylisting system.
>
> 3) 503 Is a permanent SMTP error status code. It tells the SMTP
> client to delete the recipient from the queue and not try again.
>
> 4) You are losing mail because of this.
>
> 5) To find out what other mail you are losing I suggest that you
> maintain a record of all SMTP commands and replies.
>
> Wietse
>
Thank you - I understood that this time. I have turned on a debug mode
in ASSP, and it looks like I can see the complete SMTP transaction now.
Can you please try re-sending to me whatever failed last time?
-- Daniel
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