What is a Gateway Provider?
An SMS or Email Gateway is a system that allows users to send or receive SMS or Email messages. A SMS or Email Gateway Provider is a company that provides such a service at a cost.
How do I use my own SMS Gateway with the plugin?
If you have your own SMS Gateway provider that you wish to use with the plugin then all you need to is save the HTTP API URL in the plugin’s SMS / Email Configuration Tab.
How do I use my own Email Gateway with the plugin?
If you have your own Email or SMTP Gateway and have configured it on your WordPress site then no further configurations are required on your end. The plugin will use those settings to send out OTP Emails to users automatically.