On Fri, 28 Jun 2002, Alan J. Flavell wrote:
> I'm confused about the interaction of callbacks with bounces that are
> directed to us.
>
> Yesterday it appears to me that aol.com were trying to send bounces
> to us, but we were refusing them on the grounds that there was no
> valid sender in the header lines.
>
> We had callbacks enabled for aol.com, and I find if I try manually
> reproducing the effect of a callback to them I get
>
> ...
> rcpt to:<MAILER-DAEMON@???>
> 550 MAILBOX NOT FOUND
>
> Any comments to help me understand what's going on, please? Should
> exim be verifying the sender of bounces via callback? Ought the other
> partner to refuse such a callback?
Exim 3, yes?
In Exim 3, turning on callbacks turns them on for all verifications. In
Exim 4 you can control this separately.
--
Philip Hazel University of Cambridge Computing Service,
ph10@??? Cambridge, England. Phone: +44 1223 334714.
