How to Enable SMTP Restrictions Updated on July 21, 2021 by InMotion Hosting Contributor 0 Minutes, 43 Seconds to Read One of the steps you can take to stop spam scripts is to enable SMTP Restrictions in WHM. This particular feature will prevent users from bypassing the mail server to send mail. When enabled it only allows delivery through MTA, mailman, and root connect to remote SMTP servers. NOTE: This setting does require that you have root access to WHM in a VPS/Dedicated server. Using SMTP Restrictions Login to WHM as the “root” user. In the left-side menu pane, look for and then click on SMTP Restrictions Click on Enable in order to turn on SMTP Restrictions For more information on SMTP Restrictions settings in WHM, please see the official documentation. You can also click on Tweak Settings and use the Mail section to make further changes to the configuration. Learn more about cPanel hardening from our Managed VPS Hosting Product Guide. Enjoy high-performance, lightning-fast servers with increased security and maximum up-time with our Secure VPS Hosting! Linux VPS cPanel or Control Web Panel Scalable Website Migration Assistance Linux VPS Hosting Share this Article InMotion Hosting Contributor Content Writer InMotion Hosting contributors are highly knowledgeable individuals who create relevant content on new trends and troubleshooting techniques to help you achieve your online goals! More Articles by InMotion Hosting Related Articles Transferring Emails from Your Old Host to InMotion Hosting How to Setup Office 365 DNS Records How to fix OLMAPI32.dll and WWLIB.dll error in Outlook 2013 How to Setup Outlook 2016 for Mac Issues with Outlook 2007 Running on Windows 10 Outlook not working after installing Windows 10 IMAP Issues Affecting Outlook 2013 and Office 365 Outlook 2013/Office 365 – Subscribing to your Inbox How to create an email signature in Outlook 2003 How to create an email signature for Mac in Outlook 2011
