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Koen Martens via RT wrote:
> [EMAIL PROTECTED] - Wed Mar 01 19:00:21 2006]:
> > subject: SPF Record Wizard "?"
> > message:  This wizard found 3 names for the MX servers for
> >    cannonefcu.org: mta3.snet.net, smtp-relay.pbi.net, and mercury. (A
> >    single machine may go by more than one hostname. All of them are
> >    shown.)
> > MX servers receive mail for cannonefcu.org.
> > Do they also send mail from cannonefcu.org?
> >
> > WHO IS MTA3.SNET.NET ?? This is showing as a MX server for our
> >    network. But it is not - at least as far as I know. Can you explain
> >    this? I don't want to finish the wizard unless I am sure. To my
> >    knowledge this is not an mx record for us.
>
> This is indeed strange. I checked myself, and indeed mta3.snet.net is
> not an MX host for your domain.
>
> I have forwarded this request to the webmasters, in the hope that they
> can figure out where the wizard went wrong.

| $ testmxlookup cannonefcu.org
| Domain cannonefcu.org:
| Relay: mercury.cannonefcu.org, Priority: 10, Address: ::ffff:64.174.182.194
| Relay: smtp-relay.pbi.net, Priority: 100, Address: ::ffff:204.60.203.69
| $ dig -x 204.60.203.69 +sho
| mta3.snet.net.

smtp-relay.pbi.net == mta3.snet.net

The wizard is simply resolving the DNS reverse mapping and finds an
additional name for one of the MXes.  The wizard doesn't say there are 3
MXes, just 3 names for the MXes, and it even explains the difference:

| This wizard found 3 names for the MX servers for cannonefcu.org:
| mta3.snet.net, smtp-relay.pbi.net, and mercury. (A single machine may go
| by more than one hostname. All of them are shown.)  

This is not considered a bug.

Julian.

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