April 11, 2022
How to Prevent Bypassing the Mail Server to Send Mail?

Well, you can prevent bypassing the mail server to send mail, and block users to create spam scripts by enabling the SMTP Restrictions. Enabling the SMTP Restrictions will prevent users from bypassing the mail server to send mail. Once enabled, it only allows mail delivery through MTA, mailman, and root connect to remote SMTP servers. Note: This method