Getting error "Salesforce 551 unauthorized bounce" in ToutApp
- Head on over to your Salesforce instance and login. - Once you're logged in, head over to "Setup" > "Email" > "My Email to Salesforce"
- In the "My Email to Salesforce" page, head over to the "My Acceptable Email Addresses" section and ensure the all the addresses you use are listed in here:
Who This Solution Applies To