MFMailCompose Compatibility with third party mail clients

In iOS 14, a user can set a default mail client to some other mail client (Gmail, Outlook, etc.). 

But The MFMailComposeViewController class doesn’t work with these third party mail clients. It sends an email through the Apple Mail app and not the other third party mail apps that are set as the default mail client.

Is there a way to configure MFMailComposeViewController to work with third party mail apps?

No, this API only presents the email compose interface. I wondered about this too and this is what I’d recommend to best support third party email apps: https://stackoverflow.com/a/66379220/1795356

MFMailCompose Compatibility with third party mail clients
 
 
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