Email invites are never sent (but system emails are) and not able to save email body in schemes.

Hi, I just have purchased and installed with my new website, for testing I am trying to send email through my own email (which is not registered with site) and I believe server are working fine for sending emails.

As I am facing issues are below.

1. From front end message showing invite sent but not receiving.
2. Cant able to save "Invite Body" text in new and exsting schemes
3. After sending invites statics shows ) and and frontend shows already send invite if we have already used.

Please need helpful.