Harden Debian by Hardening Email Mailer

Debian OS can send email or even host an email server for facilitating email services to the organization. Since we are dealing with email, there are a lot of possible vulnerabilities introduced via email. This section guides you on how to harden Debian email mailer.

Identified Threats

These are the identified threats related to Debian software.

(T-81) Email Mailer Is Not Using SSL/TLS to Fetch Email

By default, email mailer isn ot using SSL/TLS to fetch email across Internet.

Actions Required

Here are the list if actions to counter the issues.

Configure The Mailer to Use SSL/TLS

Since there are different kinds of mailers, one should configure all mailers to only use SSL/TLS connection.

That's all for hardening Debian by hardening email mailer.