Re: [Exim] Dealing with a broken destination server.

At 3:41 pm -0400 2004/07/07, Lists wrote:
>Hi all,
>
>I have a situation in which a client is using a custom anti-spam
>solution. Unfortunately they have not bothered to read RFC 2821, and
>after the message is sent, their servers returns a 451 (temporary
>error), which causes Exim to continue to try sending the message later.
> The client has made it clear that this behavior will not be changing
>("because everyone else does it" amongst other explainations). I have
>two questions:

uh? Is the message sent or not? I guess not! At what phase is the 451
error returned? Is this greylisting by any chance? (which would mean
that the message will be accepted eventually)

Giuliano