On Mon, 29 Sep 2003, Giuliano Gavazzi wrote:
> >But sometimes the SMTP connection comes from a host, which only sends
> >emails via SMTP but not receives any.
> >In such case the callout does not work. Is it possible to configure
> >Exim to make callout verification using the MX value instead of the
> >host IP/name the SMTP connection comes from?
>
> but this is what exim does as it must! If callout sometimes fails, is
> with servers that do not accept null senders or servers that refuse
> mail from yours on other grounds (both are badly configured).
That's right. It would be very stupid for Exim to connect to the host
that is sending the mail. What Exim does is to route the address, and
connect the hosts that it gets from that process. In other words, it
*does* use the MX values.
--
Philip Hazel University of Cambridge Computing Service,
ph10@??? Cambridge, England. Phone: +44 1223 334714.
Get the Exim 4 book: http://www.uit.co.uk/exim-book
