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 How to Import Email Accounts and Forwarders into cPanel How to Configure Mailbox Quota Notifications How to Login to SquirrelMail SpamAssassin: Fighting Spam How to Fix the “550 No Such User Here” Email Error How to Setup an Email AutoResponder in cPanel Logging into Horde How to Change an Email Password in cPanel and Webmail How to Purchase InMotion Hosting Professional Email in AMP What is MailChannels and How it Benefits You
