Hello. I have done similar Project recently with positive Feedback:
https://www.freelancer.com/projects/microsoft-outlook/create-custom-microsoft-outlook-email/?w=f
Script you need will be completed today.
UPD: I have recieved your message in chat, but smehow Service doesn't allow me to answer. I have requested Freelancer.com Support to resolve the issue. Until that, i will need Subject line of message to be triggered, subgect, address and body of E-mail to be sent.