Jim Garrison:
> I have a Mailman list that contains a number of addresses at
> a major ISP that lists 7 MX hosts. When delivering mail to
> addresses at that ISP, all the MX hosts but one readily accept
> the mail. That one recalcitrant host soft-rejects (gray-lists)
> mail for about 1 hour.
>
> Is there any way to configure Postfix to not even try the one
> reluctant MX host for that domain?
With Postfix, you override all MX lookups for a domain or
you don't override them.
However, a packet filter rule will do what you need (just have the
filter rule send a reset immediately) as does routing the bad host
to 127.0.0.1.
Wietse
