Mail Server

How to Install a Mail Server in Ubuntu with Postfix

Introduction Nowadays, the knowledge to install a mail server is an important task for any System Administrator. In our case, we are going to see how to deploy a mail server with Postfix on Ubuntu. About Postfix Postfix is a free and open-source MTA (Mail Transfer Agent) which routes and delivers electronic mail (e-mails). As an SMTP server, Postfix implements a first layer of defense against spambots and malware. Can be used to send and receive e-mail....

July 27, 2022 · 15 min · Yvoictra
Check TCP connectivity with Netcat

How to check TCP connectivity with Netcat

In my diary activities usually I have to check the connectivity between two hosts. In this article I will explain which is the method I use to do it. ...

July 20, 2022 · 3 min · Yvoictra