1) Login in to your Plesk Control Panel.

2) Click on "Mail" tab.

3) Click on "Mail Settings".

4) Select your domain name then click on "Activate/Deactivate Services" button on left.

5) Disable these option as marked in red and click Ok.

6) Here you can see the information that your mail services is off as marked in red box bellow.
![GRABWEB [India] GRABWEB [India]](/templates/lagom2/assets/img/logo/logo_big.454175622.gif)