DCS Service Selfservice User Email Id Updation

Summary:

DCS Service Self User had enrolled himself with a Emailid last year and now their company has changed emailid so can we update existing Userid's old email id with new emaild ? And will it work with all functionalities like old one. Functionalities like — Org Service Manager send message from Service Request page and DCS user gets email with that message and DCS User replies email with his content and then will dcs user's message will populate on Service Request Message page and will it be visible for Org Service Manager ?

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