The Email Setup screen is used to configure the email server for sending email notifications to Customer Contacts and Agents .

Click System Manager > Company Configuration > SMTP Email Settings(System Manager) 

From Email - The email address the email was sent from. Typically you want this to be an email address like autosupport@irely.com that nobody can directly reply to.

From Name - The Name of the company sending the email. 

Subject Prefix - This optionally includes a prefix for the subject. For example: i21 HelpDesk :

SMTP Settings

•     SMTP Server - Enter the outgoing SMTP Mail Server
•     SMPTP Port - Enter outgoing SMTP Servers Port number
•     Encrypted Connection-  This combo box should display 3 options for encrypting the emails. (None, SSL and TLS). 
•     Requires Authentication -  Check this box if the SMTP Server requires Authentication. 
•     User Name - Enter Username of the SMTP Server. 
•     Password - Enter Password of the SMTP Server.
•     Test Recipient - email of the sample recipient. (Click Send Test Mail button to send an email)