NoteNoteGmail is not a commercial Email Delivery Service and has significant limitations on how many messages can be sent per day, how many identical messages can be sent to different addresses, etc. Using Gmail as your email delivery service is not a viable solution for most organizations and should only be used for testing. You will want to implement one of the other email transports discussed in this section for production use. This technically isn't an integration as much as tips for configuring SMTP Relaying for Google Apps. The basic steps are covered in this link from Google https://support.google.com/a/answer/2956491?hl=en. A couple of tips are below. The link above notes you will find the relaying settings under the 'Apps' menu setting. That setting appears to have been moved. Instead search for 'SMTP Relay' in the admin search.We've found success with the following Google Relay options.Allowed Senders: Any AddressesAuthentication: Require SMTP AuthenticationEncryption: Require TLS encryption On the Rock side use the following SMTP settings.Sever: smtp-relay.gmail.comPort: 587Username: The admin account usernamePassword: The admin account passwordUse SSL: Yes