How to check whether port 25 is open or blocked on Linux

Welcome to our latest Linux tutorial! In this instructional video, we will walk you through the process of verifying whether port 25 is open or blocked on your Linux operating system. Port 25 is commonly associated with the Simple Mail Transfer Protocol (SMTP), and it is crucial to understand its status when it comes to email-related services.

In this detailed guide, we will outline the steps to examine the status of port 25 and determine if it is accessible or restricted. Whether you are a system administrator, a networking enthusiast, or someone troubleshooting email-related issues, this tutorial has been specifically created to equip you with the necessary knowledge and skills.