How to Install Mail Server on Ubuntu 20.04

Email is the most popular mode of communication in the world. Whether it’s for personal or business purposes, having a reliable email server is essential. The process of installing a mail server on Ubuntu 20.04 may sound daunting, but it’s actually quite simple if you follow the right steps. In this article, we will guide you through the process of installing a mail server on Ubuntu 20.04.

Video Tutorial:

Why You Need to Install Mail Server on Ubuntu 20.04

A mail server is a computer program that receives, sends, and routes email messages. If you own a business, having an email server gives you full control over your email system, and you can ensure your business receives and delivers emails without any hassle. Even if you are an individual, you may still need a mail server to manage and organize your emails.

There are a few reasons why you need to install a mail server on your Ubuntu 20.04 system:

  • You have full control over your email system
  • You can set up email accounts with your domain name
  • You can manage and control email delivery to ensure it reaches its intended recipient
  • You can block spam emails and manage the email traffic

Method 1: Postfix Mail Server

Postfix is a popular mail server software used by many businesses and organizations. It’s fast, secure, and easy to configure. Here’s how you can install it on your Ubuntu 20.04 system:

Step 1. Update Ubuntu 20.04: sudo apt-get update

Step 2. Install Postfix mail server: sudo apt-get install postfix

Step 3. During the installation process, you will be asked to select the mail server configuration type. Select "Internet Site".

Step 4. Enter the domain name for your mail server. In this example, we will use "example.com"

Step 5. Now, you need to set up your email accounts. To create a new account, use the following command: sudo adduser username@example.com

Step 6. You will be asked to set a new password for the account. After that, hit ENTER until you see "New password:" again.

Step 7. Complete the user account setup and repeat the process for each user you want to add.

Pros:

  • Easy to install and configure
  • Secure and reliable
  • Can handle large amounts of email traffic

Cons:

  • Not as feature-rich as some other mail server software
  • May require further customization to suit your needs

Method 2: iRedMail

iRedMail is an open-source mail server software that is easy to install and configure. It comes with several features, including spam filtering, anti-virus, webmail, and more. Here’s how you can install it on your Ubuntu 20.04 system:

Step 1. Update Ubuntu 20.04: sudo apt-get update

Step 2. Install iRedMail: wget https://dl.iredmail.org/install.sh && bash install.sh

Step 3. Follow the installation wizard instructions. You will need to enter your server hostname, domain name, and administrator email address.

Step 4. Choose which components you want to install. You can install spam filtering software, anti-virus software, webmail, and more.

Step 5. After the installation is complete, you can access the webmail interface by going to https://yourdomain.com/mail

Pros:

  • Easy to install and configure
  • Comes with many features, including spam filtering and anti-virus software
  • Webmail interface is available

Cons:

  • Some features may require additional configuration
  • May require more resources than other mail server software

Method 3: Exim Mail Server

Exim is a popular mail server software that is used by many businesses and organizations. It’s easy to install, configure, and maintain, making it a reliable choice for your email server needs. Here’s how you can install it on your Ubuntu 20.04 system:

Step 1. Update Ubuntu 20.04: sudo apt-get update

Step 2. Install Exim mail server: sudo apt-get install exim4

Step 3. During the installation process, you will be asked to select the mail server configuration type. Select "internet site; mail is sent and received directly using SMTP".

Step 4. Enter the domain name for your mail server. In this example, we will use "example.com"

Step 5. Now, you need to set up your email accounts. To create a new account, use the following command: sudo adduser username@example.com

Step 6. You will be asked to set a new password for the account. After that, hit ENTER until you see "New password:" again.

Step 7. Complete the user account setup and repeat the process for each user you want to add.

Pros:

  • Easy to install and configure
  • Secure and reliable
  • Can handle large amounts of email traffic

Cons:

  • Not as feature-rich as some other mail server software
  • May require further customization to suit your needs

What to Do If You Can’t Install a Mail Server on Ubuntu 20.04

If you are having trouble installing a mail server on your Ubuntu 20.04 system, there are a few fixes you can try:

  • Check your internet connection: Make sure your internet connection is stable and you have enough bandwidth to download and install the mail server software
  • Check for updates: Make sure Ubuntu 20.04 is up to date and all updates have been installed
  • Try a different mail server software: If one mail server software isn’t working, try another one
  • Consult the Ubuntu 20.04 community: Reach out to the Ubuntu 20.04 community for help and advice on installing a mail server

Bonus Tip: Securing Your Mail Server

Once you have installed your mail server, it’s important to secure it from potential threats. Here are a few tips to help you secure your mail server:

  • Use secure email protocols such as SSL and TLS
  • Install anti-virus and spam filtering software
  • Use firewalls to block unauthorized access to your server
  • Make sure your server software and operating system are up to date with the latest security patches

5 FAQs

Q1: Which mail server software is the best for Ubuntu 20.04?

A: There is no "best" mail server software for Ubuntu 20.04. It depends on your needs and requirements. Postfix, iRedMail, and Exim are all great options.

Q2: How do I access my email account on Ubuntu 20.04?

A: You can access your email account using a web browser or a desktop email client such as Thunderbird or Evolution.

Q3: Can I set up email forwarding on my Ubuntu 20.04 mail server?

A: Yes, you can set up email forwarding using any of the mail server software mentioned in this article.

Q4: Can I use my own domain name with my Ubuntu 20.04 mail server?

A: Yes, you can set up your mail server to use your domain name.

Q5: How do I troubleshoot issues with my Ubuntu 20.04 mail server?

A: You can consult the mail server software documentation or reach out to the Ubuntu 20.04 community for troubleshooting advice.

Final Thoughts

Installing a mail server on Ubuntu 20.04 is essential if you want to have full control over your email system. By following the steps outlined in this article, you can install and configure a reliable mail server software that suits your needs. Remember to keep your mail server secure by using SSL and TLS protocols, installing anti-virus and spam filtering software, and keeping your software and operating system up to date with the latest security patches.