Author: Ian A B Eiloart Date: To: exim-users Subject: Re: [Exim] Callout verification
--On Friday, May 7, 2004 12:15 pm +0100 Matthew Byng-Maddick
<exim@???> wrote:
> If you're doing a sender callout, that's the equivalent of delivering a
> bounce to the sender.
>
> If you're doing a recipient callout, that's the equivalent of delivering
> a message to the recipient.
>
> In both cases, the callout is just to go through part of the transaction,
> but never to send DATA.
>
> The reason for it being a bounce is that a bounce is the only thing you
> are likely to send in an automated way to transpose the sender into a
> recipient.
Oh, and to prevent the remote system calling out to you in order to verify
the sender, when of course you'd call out to them, and they'd call out to
you, and ... oh stop, I'm dizzy now.
