How to Restrict Outgoing Mail on a Single Email Account

Introduction

Occasionally as a server owner, you must suspend an email account to restrict outgoing email. This can be due to an email sending spam and damaging your server's reputation or any number of other potential reasons.

Procedure

Inside the "Email Accounts" interface in the appropriate user's cPanel account, you can select "Manage" on a given email account to edit restrictions on the account:

Here, you can control how the server handles incoming and outgoing mail and login attempts for the account. For this guide, we'll look at outgoing mail specifically:

Below is a summary of what each option entails:

Once you have selected the appropriate restriction, select "Update Email Settings" at the bottom of the page, and all settings will be saved. 

When you wish to remove these restrictions, you'll navigate to the same page and simply change the setting back to "Allow."