Re: [Exim] Dealing with 451 errors

Mark Morley wrote:
> That's what I was thinking. We have a client who forwards his mail from another
> site over to here, and his other ISP's mail server is treating 451 errors as
> permanent errors and immediately bouncing them without any retries at all.
>
> Of course, they blame it on us, claiming we should except all incoming e-mail,
> even if the sender address can't be verified at the time.
>
> In this particular case it was a transitory DNS issue on the original sender's
> end of things, his domain couldn't be verified. 5 minutes later it would have
> worked just fine if they'd bothered to retry.

Blame them for bouncing the mail, temparary errors can be caused by
ANYTHING, it's no reason to bounce the mail.

ciao