How to setup mx records for an alternate mail server with Google Business being the primary

We use GoDaddy for hosting
We use Google Business Apps for email (primary)  -

We are an electric utility and need to send over 3000 bill notifications once a month.

I used to have an internal mail server before we moved to Google Apps.  It is still alive and I have the bill notification server pointed to our internal mail server.  But many do not get the emails and I highly suspect due to no mx records validating the email notifications from this server.

I assume (correct me if I'm wrong) that I need to update records on GoDaddy to indicate it is a valid domain's mail server.
We want it to be

How do I do this without affecting our primary Google mail?

Many Thanks!
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It's better to find out what the real problem is instead of just guessing why the emails are not sent out. Having an MX record is rates very low on spam filters. Having no reverse DNS is much higher, as is having an IP from a Dynamic range from your ISP. If you started using SFP records, adjust it to include the IP of the old server.

Just try to get as many NDR's as you can, and let us know the results.
BeerAngelAuthor Commented:
Well, we don't have reverse dns set up for this either.  How do I do that?

It used to be setup as but I have changed the mail server to use  I just don't know where to go to add the reverse dns.  Thanks
Because the IP number is most likely owned by your ISP, you have to ask them (might incur a one time administration fee of a couple of bucks)
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BeerAngelAuthor Commented:
Ok thank you sir!  I've put in the request and we'll see how this works out.  I'll report back.
there is  email delivery services   provided by
take a look at their offering,
and from experience it was very useful and reliable for us
Allen FalconCEO & Pragmatic EvangelistCommented:
First step is to have the internal email server in your SPF record.
BeerAngelAuthor Commented:
Thanks Allen!  Where do I submit/put the spf record?
Allen FalconCEO & Pragmatic EvangelistCommented:
The SPF record is setup via your DNS record, wherever you have registered your domain or your DNS service provider.

Depending on the provider, you will create a TXT type record or a SPF type record.

The Service Provider will give you the proper format.
BeerAngelAuthor Commented:
Well, I think I found out why I couldn't do it on Google's admin console.  Dangit!

BeerAngelAuthor Commented:
I added this line v=spf1 ip4:72.xx.xx.xx ~all  
on GoDaddy and should go live soon.  We'll see if that helps
Allen FalconCEO & Pragmatic EvangelistCommented:
that should do it.

Be sure to add include files from any email marketing services (constant contact, mail chimp), CRM, or other apps that may be sending messages from your domain.
BeerAngelAuthor Commented:
We don't market.  Our territory has been established since 1939 and if they move on our territory, they go with us.  If they are outside our territory, they go with the neighboring utility.   Thanks though!

I'll report back when we know for sure it's working.  I've still yet to get an email to go to a yahoo account that I created.

BeerAngelAuthor Commented:
Using MXToolbox, I still get these errors.  Not sure anything can be done with the google errors (or can they?)....but I still cannot get an email to my yahoo account.

BeerAngelAuthor Commented:
So the NOC said they made the changes for reverse DNS.....yet it's been a few days and still there is an error on MXToolbox and DNSGoodies shows this message "Non-authoritative answer" (see below).  I'm at a loss!
An NDR is still more helpful in this case.

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