On Mon, 2005-08-22 at 13:17 +0100, David Woodhouse wrote:
> To do a header_sender callout with a null sender is broken, as Steve B
> discovered. The RFC2822 sender address may never be used as an RFC2821
> sender, and may reject all bounces.
As an example think about this list. The address <exim-users@???>
is never ever used to send mail (mail going to you will instead have a
sender address of <exim-users-bounces+...@exim.org>), so attempting a
call out verify of the address will cause the following:-
MAIL FROM: <>
250 OK
RCPT TO: <exim-users@???>
550 "Recipient never sends mail so cannot cause bounces"
If you are trying to do call out verification of this address then
either:-
1. You received a forged message in the first place (so its not my
problem).
2. You are extracting addresses from headers (so thats your
problem).
Nigel.
--
[ Nigel Metheringham Nigel.Metheringham@??? ]
[ - Comments in this message are my own and not ITO opinion/policy - ]
