If you notice potentially suspicious activity within your email accounts, such as sending a large number of emails or receiving recurrent messages from the same sender, you may want to suspend incoming and outgoing emails to prevent your email accounts from being disabled or flagged as abusive.

Log into your cPanel, head to the Email section, and select Track Delivery:

You can also reach these settings with the help of the search bar. In the Track Delivery section, you'll find the Delivery Report table. By default, it will show Failures only. Additionally, you can select to view messages with the status Successes, Deferred, or In-Progress.

To check the delivery event details, click on the Actions icon:

This information will help you determine whether any email account should be suspended.

To suspend an account, go to Email → Email Accounts:

Click on Manage next to the email account in question, and scroll down to the Restrictions section. Once there, change the Sending Outgoing Email status to Suspend. This will prevent your account from sending out emails:

You can also choose to suspend the Receiving Incoming Email to stop receiving emails from any sender. When all is good to go, click Update Email Settings to enable this configuration. You will see a pop-up notification confirming that the configuration is now applied to the email account.

Alternatively, if you no longer need the account, you can delete it by clicking on the Delete Email Account button in the email management area.

To resume receiving and sending emails:

That’s it! Now you know how to suspend and unsuspend email accounts in cPanel.