https://community.appian.com/discussions/f/process/14107/trigger-process-upon-receipt-of-an-e-mailIt seems that the only way to do it would be to do this: https://docs.appian.com/suite/help/18.4/Anonymous_User.html 1. Is there another way? 2. Is there some guidance/recommendation from Appian on the risks incurred when using the Anonymous Useren-USTelligent Community 12https://community.appian.com/thread/63889?ContentTypeID=1Tue, 08 Jan 2019 03:58:40 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:08389938-dc09-4709-9c4f-9444a5271b0bSrinivas Thota Create a table with appian users and non appian users with some generic data and create the rule expression and pass it to the process model parallely run the active job on database side, now compare the email coming from user and existance user.<div style="clear:both;"></div>