InfallibleTechie: Chatter email notifications not received by users that were mentioned in Salesforce
Sandbox: NO_MASS_MAIL_PERMISSION error despite Deliverability set to All Email - Salesforce Developer Community
![How to configure Email Deliverability Settings for Email Notification - Salesforce.com-Tips and Tricks by Greytrix How to configure Email Deliverability Settings for Email Notification - Salesforce.com-Tips and Tricks by Greytrix](http://www.greytrix.com/blogs/salesforce/wp-content/uploads/2016/03/Deliverability-4.png)
How to configure Email Deliverability Settings for Email Notification - Salesforce.com-Tips and Tricks by Greytrix
![How to configure Email Deliverability Settings for Email Notification - Salesforce.com-Tips and Tricks by Greytrix How to configure Email Deliverability Settings for Email Notification - Salesforce.com-Tips and Tricks by Greytrix](http://www.greytrix.com/blogs/salesforce/wp-content/uploads/2016/03/Email-Template-1.png)