Thanks for the insight, I have a basic powershell script that could be scheduled that is working for me, the emails do not have any cc addresses detailed so I haven't looked into a way around that problem. I have attached the script in-case anyone in future has a similar issue or request. A --poll-action argument would be useful however this will work fine for me for the moment.
Using the emailrelay-submit function just seems to lock up my command prompt in an input window, when inputting under the command it does create a .content file but theres no automatic content file generation from the .eml files already in the folder, there's no documentation on the submit function as far as i can tell so I'm using the arguments "emailrelay-submit --spool-dir MySpoolDir MyRelayAddress:25", what i'm trying to do is recreate the functionality of IIS smtp server's file pickup and forward...
Add Support for forwarding .eml files