I located the following technical document regarding attestation by e-mail responses, however I'm curious to know if this is possible in environments that do not have on premise Exchange, but have Exchange Online that is synchronized to AD without Identity…

I am creating a Membership Attestation for special AD Groups but the Owners (attestors) to those groups is not maintained in AD, it is maintained in ServiceNow.  So, it would be great if I could create a custom approval procedure that could use a script…