Send a copy of submissions from organization's email address

2. Send invitations and copies of the submissions to clients from the organization’s email address, rather than from Jotform or me, the account holder?

That's actually possible by setting up your own SMTP account on a form. Kindly check the article below. 

How-to-Setup-SMTP-for-a-Form

I hope this answers your query. If not, please provide us more information so we can advise. 

Thank you. I'll try to do that.

I may have missed here can she please have here come back I didn’t get a messages from here 

@Joe,

We are sorry that we couldn't relate your question with the previous query on this ticket. If you are referring to a different query related to your form or submission, we request you to open a new ticket so that one of our support team members assist you.

Thanks!