[juneau-lug] Re: Mail Exchangers

  • From: "Kevin Miller" <Kevin_Miller@xxxxxxxxxxxxxxx>
  • To: <juneau-lug@xxxxxxxxxxxxx>
  • Date: Fri, 31 Mar 2006 13:53:20 -0900

mike noel wrote:
> I'd be willing to try it. I'm using sendmail 8.12.8 on an RH9 server.
> Do=20
> you have some idea how to set up our two servers to do this?

Oh yeah, as James mentioned, you need to set the backup mail host as a
lower level mx record in DNS.  The lower the priority, the higher the
number, so given the following:

 mx1.mydomain.org       IN MX 10
 mx2.mydomain.org       IN MX 20
 mx3.mydomain.org       IN MX 30

the first mail host to be tried will be the one with MX l0, if that
fails, it falls through to the 20, then the 30.

And, of course, you need the associated A records pointing to where
ever...

...Kevin
--=20
Kevin Miller                Registered Linux User No: 307357
CBJ MIS Dept.               Network Systems Admin., Mail Admin.
155 South Seward Street     ph: (907) 586-0242
Juneau, Alaska 99801        fax: (907 586-4500
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