On Mon, 16 Nov 1998, Mark Baker wrote:
> IMHO exim should not attempt other mx's if the message matches a host in
> relay_domains.
Why on earth not? That is precisely the way many mail backup hosts work.
If the DNS reads
some.domain. IN MX 1 some.host.
IN MX 2 backup.host.
then all backup.host has to do to make this work without being an open
relay is to set
relay_domains = some.domain
That allows it to accept incoming mail for some.domain. When the time
comes to deliver such mail, it looks at the MX records and finds one
with a lower precedence than itself. That's the classical way MX records
are supposed to work.
For hosts that do a lot of backing up, it would be very tedious to have
to set up manual routing for each domain.
--
Philip Hazel University of Cambridge Computing Service,
ph10@??? Cambridge, England. Phone: +44 1223 334714.
--
*** Exim information can be found at
http://www.exim.org/ ***
