Prevent linux users to SMTP auth
Hello, I'd just experienced a problem, where a local linux user was used to send SPAM. Is there a way to block postfix to use only ISPConfig users to auth and send e-mails? Thanks in advance
Hello, I'd just experienced a problem, where a local linux user was used to send SPAM. Is there a way to block postfix to use only ISPConfig users to auth and send e-mails? Thanks in advance