Is send emails difficult? From a client's viewpoint, everything looks very straightforward. Under the hood, it is nothing else, complex system that drives messages from the sender to the recipient. Today, we'll be talking about a concept related to an outgoing mail server, known as an SMTP server.

A daemon (pronounced DEE-muhn) is a program that runs continuously in the background, designed to handle periodic service requests that the system expects to receive.

One of the most common questions you’ll encounter on tech forums is whether Linux is an operating system or just a kernel. Even for experienced Linux users, this question can sometimes cause confusion. 🤷‍♂️🥷🏿