Book Image

Ubuntu Server Cookbook

By : Uday Sawant
Book Image

Ubuntu Server Cookbook

By: Uday Sawant

Overview of this book

Ubuntu is one of the most secure operating systems and defines the highest level of security as compared other operating system. Ubuntu server is a popular Linux distribution and the first choice when deploying a Linux server. It can be used with a $35 Raspberry Pi to top-notch, thousand-dollar-per-month cloud hardware. Built with lists that there are 4 million + websites built using Ubuntu. With its easy-to-use package management tools and availability of well-known packages, we can quickly set up our own services such as web servers and database servers using Ubuntu. This book will help you develop the skills required to set up high performance and secure services with open source tools. Starting from user management and an in-depth look at networking, we then move on to cover the installation and management of web servers and database servers, as well as load balancing various services. You will quickly learn to set up your own cloud and minimize costs and efforts with application containers. Next, you will get to grips with setting up a secure real-time communication system. Finally, we’ll explore source code hosting and various collaboration tools. By the end of this book, you will be able to make the most of Ubuntu’s advanced functionalities.
Table of Contents (16 chapters)
15
Index

Enabling IMAP and POP3 with Dovecot


In this recipe, we will learn how to install and set up Dovecot to enable accessing e-mails over IMAP and POP3 protocols. This will enable mail clients such as thunderbird to download e-mails on a user's local system.

Getting ready

You will need access to a root account or an account with sudo privileges

Make sure that you have set up Postfix and are able to send and receive e-mails on your server.

You may need an e-mail client to connect to and test the Dovecot setup.

How to do it…

Follow these steps to enable IMAP and POP3 with Dovecot:

  1. First, install the Dovecot binaries from the Ubuntu main repository:

    $ sudo apt-get update
    $ sudo apt-get install dovecot-imapd dovecot-pop3d
    
  2. You will be prompted for a hostname to be used for certificate generation. Type in a full hostname, for example mail.example.com. You can skip this step if you already have certificates.

  3. Next, proceed with configuring Dovecot. Open the file /etc/dovecot/dovecot.conf:

    $ sudo nano /etc/dovecot...