You can use gmail's SMTP server to send out emails from CPPM. Today, we will see how to use gmail SMTP server to send out emails for you. Create a gmail account. go to below URL https://myaccount.google.com/u/1/security#connectedapps Allow less secure apps i.e. Allow less secure apps: ON. Navigate to Password & sign-in method in the same page. set the two step verification to off. (That is the default.) Add the intermediate CA and Root CA to the trust list of CPPM. Download them by following the links. Intermediate CA RootCA SMTP Certificate Configure the Messaging Setup as below: Connection Security must be set to 'StartTLS' and port to 587. Try sending a test email Email is successfully sent...