Let's assume that we already have working application on OpenShift (available on url my-app.rhcloud.com), even it is empty. And we've bought domain name for it (let it be "domain.com"). In this article I will describe how to set up domain mail on mail.ru service and configure domain itself.
1. Create of CNAME record
The main problem is to choose and use right record type for mail. More info about it here.
As OpenShift doesn't support records of A-type (but at least one record of this type is required for domain), this simple step became a little quest. First of all we need to create CNAME record for subdomain "www" and set the value. Here is exampl...