Copilot problem

Question

4 days ago I got a call from a person on my email contact list, he had received an email signed by me asking him to submit an RFQ. The email was signed by me and had a link to click on. The link was dead, so he called and asked what was in it. This came about because this person was the videographer of a documentary that I had just seen. I wrote an email to the President of my company and suggested we hire this person to document the flight test of our Drone. On its own, Copilot generated an email with my signature and sent it to this person asking that he submit an RFQ. This was generated by Copilot because the star logo was attached to the email This scared the shit out of me. I have uninstalled Copilot. The rest of our company is doing the same. However it still exists on our phones embedded in the 365 app. You need to fix this immediately and disable Copilot on the 365 APP. I cant even send this without copilot generating a tag