These are standard mail providers which send notifications to a given email address about any changes regarding SLAs, or issues and projects.
Creating a Mail Notification Provider
Log in as a user with the 'Jira Administrators' global permission.
Navigate to Admin menu → Manage apps. Select SLA PowerBox → Notification Providers to open the SLA Notification Providers page.
Tip: Keyboard shortcut: g + g + start typing notification providers...Click the Add Provider button.
Select Mail Server → Next.
Fill in your SMTP mail server's details.
When configuring an SMTP mail server, you can refer to Atlassian documentation.
6. Confirm with the Create button.
Configuration Fields
Provider Name - It is a Notification Provider display name and allows you to identify your notification.
Description - A short description of your notification.
Email prefix - It's a prefix that will be prepended to all outgoing email subjects.
Host - It allows you to choose a provider (added in the Notification Providers tab).
Email address - Email address from which the messages will be sent.
Username - Enter the address username.
Password - Enter your password.
Port - It is the SMTP port. For the Jira Mail Provider, it is necessary to update the SMTP mail server. In order to do so navigate to System → Mail → Outgoing Mail and enter the requested information.
TLS - When you tick the TLS checkbox, the communication with the email server is encrypted with TLS security protocol. If not checked - it is encrypted with SSL protocol by default.
Test connection - By clicking this button you can test the connection with your mail server and check if the notifications will be sent properly.