You use the interweb to access schemas that microsoft hosts. There is no need to have any special software installed on the client. You create an that references the CDO schemas. Did you try the example in the link? It is pretty easy. Try this example I posted. Start with a blank DB and follow the instructions in post #7
https://www.accessforums.net/access/...ess-38401.html
This does not depend on Outlook so there is no record of it being in the outbox. If you use a MAPI relay you should be able to have some sort of record. These schemas use SMTP. So I do not believe there will be any usable records of the transaction. I belive there are ways to have CDO dll's on your machine locally and use MAPI. I do not know how to do this though.