Author: Suresh Ramasubramanian Date: To: bryan_heitman CC: exim-users Subject: Re: [Exim] Fail to manualroute on defer
Bryan Heitman wrote: > As I understand fallback_hosts it is basically a host that mail is
> delivered to assuming a MX lookup fails and that no available hosts are
> available for delivery on the domain.
Yup - quite a lot like what the FallbackMXhost option (confFALLBACK_MX)
does in sendmail.
> Am I incorrect on this? I am looking for a host to send mail to if any of
> the following occur:
> * dns lookup fails
that is if the lookup times out / returns servfail, not NXDOMAIN
> * SMTP session is closed while communicating with destination server
> before complete (for any reason and at any point in the SMTP session)
