How to set up SSL (Let’s Encrypt) for a Plesk mail server

Introduction

SSL is the standard technology for securing an internet connection by encrypting data sent between a website and a browser (or between two servers). It prevents hackers from seeing or stealing any information transferred, including personal or financial data

Prerequisites

1. Plesk administrator credentials
2. Name of the Mail server

Implementation

Step 1: Log in to the Plesk Panel as an administrator

Step 2: Navigate to Tools & Settings > SSL/TLS Certificates (under Security)

Step 3: Click on the “change” under Certificate for securing mail and select the SSL according to the mail server

Step 4: Click on OK. Now mail server is secured with an SSL certificate