Author: Piete Brooks Date: To: John Henders CC: exim-users Subject: Re: Exim scanning all local interfaces before sending mail
> I'm bringing up exim on all our local machines and just ran across this > on our web server. We bind all the virtual ip addresses to the local
> interface, and it appears exim scans them all before sending mail,
> leading to the following in the debug logs.
> Local interface address is 127.0.0.1
> Local interface address is 204.174.16.5 ... > and so on for 160 more addresses.
> Is there a reason it needs to do this?
Yes -- it needs to know all the IP addresses which are "local",
so that it knows when an MX RR is pointing at itself -- it needs to stop
trying MX RRs when it reaches one which is a local address.