Often, when people do not receive notifications from Jira, it can be difficult and frustrating to find the cause. The two most common causes for notification-related problems are either outgoing mail server connectivity or misconfiguration of the notification scheme.
Troubleshooting outgoing mail server problems is quite simple. All you have to do is try to send out a test email, as described in the Sending a test mail section. If you receive your test email, then there will be no problems with your outgoing mail server configuration and you can focus on your notification configurations.
Troubleshooting notifications are not as straightforward since there are a number of things that you will need to consider. To help with this challenge, Jira has a handy feature called notification helper. The notification helper can save the Jira administrator time...