'Single Email Address' notification is not working on Jira

Issue Summary

Single Email Address notification is triggered by Jira but is not sent to the user.

Environment

• Jira Cloud version: 7c10101d

Steps to Reproduce

1. Configure the Browse Projects Permission Scheme of a project to Group (Anyone, including non-registered and anonymous users).
2. Set one of the events (i.e. Issue Created) of the Notification Scheme of that same project to Single Email Address and enter a valid one. Save the changes.

Expected Results

The notification (in this case when a ticket is created) should be sent to the email address listed there.

Actual Results

No message is sent.

Workaround:

Currently, there is no known workaround for this behavior. A workaround will be added here when available