Email Settings section in Vtiger helps you to configure Outgoing Server with SMTP (Simple Mail Transfer Protocol) settings of your email server to manage to send out emails from Vtiger CRM.
To configure the settings, please follow the below steps
1. Click on Menu icon
2. Click on Settings
3. Select Email Settings under Configuration
4. Click on Edit icon
5. Select the Server Type and add the server details
6. Click on Save
Refer: Email Settings