- Plesk 12.5 for Windows
The following security vulnerabilities are shown while checking the server:
CONFIG_TEXT: 54582 - SMTP Service Clear text Login Permitted
15855 - POP3 Clear text Logins Permitted
MailEnable Standard is installed as a mail server.
How to fix these vulnerabilities?
The solution for this case is to enable SSL/TLS authentication for the mail server and disable other ways of authentication.
Make sure that at least MailEnable 9 is installed as SSL is supported starting this version only.