Best Linux VM for SMTP Authentication [9 top Linux Mail Server]

SMTP is a protocol for security and its job is to identify the sender of the mail, it is the way to make sure only authorized people can send emails, it is basically like a security check for emails, so Find out What is the Best Linux VM for SMTP Authentication [9 top Linux Mail Server].

To send an email, the sender must verify their identity through their email application, usually with a username and password, so there are fewer fake emails or trick people.

Explore the 9 top Linux Mail Server

1-Exim

Need a mail server that can handle anything you throw at it? Exim is one of the good choices for you because it is powerfull, flexible, and open-source. It is great at fitting different business needs because you can change anything with Exim, you can change how Exim works to fit your needs.

If you want to have complete control of your mail server and also change it to fit your specific needs it will be a nice fitting for you.

2-Postfix

It is so easy and convenient to set up Postfix on Linux, Postfix comes with lots of features, and you can also combine it with other programs to make a complete email system, Postfix is also an open-source program. Postfix is known for being secure because it is really good at blocking spam and bad programs that might come through email and it is a popular choice for businesses because of its features for security,  you might also hear it called VMailer or IBM Secure Mailer.

3-Dovecot

Dovecot acts as a secure delivery service ensuring that packages are arriving safely and you have easy access to them, it is like a friendly and reliable post office because security is very important for any email system it is also open-source and it does more than just security. You can use it for both small and big email setups, it is a nice choice for your Linux system because it is designed for that, it also doesn’t need a lot of extra work to keep it running.

4-Zimbra

Zimbra is more than a regular Linux mail server, it has cool extras such as calendars and easy-to-use menus, making it nice for everyone, it is a server that is more than just secure because if something goes wrong it has good ways to get your emails back. It is pretty and easy to use, Zimbra will also grow with your business making it a good choice for any size company. You can fix things if your server crashes with just a one-click button, but remember it can be tricky for someone who is starting out.

5-Sendmail

Sendmail has been around since 1983 and is still used to this day, it can also work with older Windows systems, it is actually the most common app to move emails from one computer to another. It is also free, even if the person’s computer is not available, it will hold the email and try again later.

6-qmail

qmail is built with security as its main focus, and many people find it a good replacement for the Sendmail program that we explained earlier, it is very secure and also really easy to set up, it checks people who are sending the emails for security reasons and because of that many people rely on qmail, basically it is a simple email manager, it is stable and it is known for being one of the best email programs for Linux.

7-iRedMail

It is a free and open-sourced tool that is designed to simplify the creation of your own Linux email server, iRedMail is completed with anti-spam and antivirus protection, and you can also customize your settings, and it automates the installation of necessary software for better results update your Linux system before starting.

8-Citadel

Citadel is designed for Linux and BSD environments with a user-friendly interface, it also offers an adaptable environment for a secure communication solution, leaving a deployable environment for collaborative workflows.

9-SquirrelMail

It is an open-sourced, webmail client that is designed to have seamless integrations, it also supports both SMTP and IMAP protocols, SquirrelMail is lightweight and has a user-friendly interface for web-based email access, SquirrelMail is known for being reliable even when dealing with lots of emails, it also keeps your emails safe with things like spam filter, it also works popular website like WordPress, so it is usable in many different ways.

Conclusion

In this article, we showed the Best Linux VM for SMTP Authentication and explained each of them individually. Linux offers a wide range of mail servers and each of them includes so many features, that you need to consider your organization’s size and technical skills to choose the best option based on your needs, make sure to visit our website for more Linux tutorials.