Google Workspace/GSuite/Google Apps

To change MX records with Google Workspace please click on the link below and follow the steps. 

When you get to Step 4, instead of adding the Google servers to the MX, add mail.mailroute.net.

 Step 4: Add new MX records

1. Under Host Name, enter @.
2. Under Mail Server, enter mail.mailroute.net
3. Under Priority, enter the priority level value for 
4. Set any TTL values to 1 Hour (value=3600).
5. Review your new MX records and save your changes.

https://support.google.com/a/answer/33915?hl=en#zippy=%2Cstep-sign-in-to-your-domain-host-account%2Cstep-verify-the-change-in-your-google-admin-console