Choosing the best Linux mail server is one of the most important decisions you will make when running a business. It’s not just about choosing the most powerful, but also the one that will be easiest for you to maintain.
Axigen
Using the Axigen Linux mail server, you can manage all aspects of email traffic and security. With the server’s built-in access control, you can prevent unwanted emails. You can also set whitelists and blacklists for individual domains.
You can also add DMARC to your domain to prevent spam and phishing attacks. DMARC is a protocol that adds a layer of security beyond DKIM. It monitors domains for harmful emails and protects against business email compromise attacks. It integrates with openDMARC through Milter V6.
Axigen supports the entire range of mail services including POP3, IMAP4, SMTP, and WEBMAIL. It also provides a mobile webmail interface. In addition, it features an integrated mailing list server and a personal organizer.
Axigen is a fully-featured and fast mail server. Its web-based administration is easy and intuitive.
Exim
Using Exim Linux mail server you can deliver messages from your own mail server. The Exim software is a drop-in replacement for Sendmail. It is available under the GNU General Public License. It can be used on single-user or clustered servers that support millions of customers at large Internet sites.
Exim has three basic logs, the main log, the reject log, and the panic log. They are important to monitor mail and prevent spam. They are also important to understand the functions of your mail server.
The main log is the most important of the three logs. It contains information about the main processes and the results of them. It can be used to track the status of your server.
The reject log contains information about unsuccessful messages. It also contains information about messages that are skipped because of an error.
Postfix
Among the most popular and widely used open source mail servers is Postfix. It is a mail transport agent (MTA) that runs on a variety of operating systems, including Linux, Windows, and Mac OS X. Originally designed as a replacement for Sendmail, Postfix was built with security in mind.
In addition to its core SMTP and LDAP features, Postfix also offers a robust content filter and junk mail control. The server also supports a variety of databases, including PostgreSQL, MySQL, and Berkeley Database. The server also has a powerful access control mechanism.
Postfix is a robust and highly reliable open source mail server. It supports SMTP, IMAP, and POP3 email services. It also supports LDAP, SQLite, and PostgreSQL databases.
It is easy to install and maintain, and offers numerous features. Although Postfix has a monolithic design, it’s easy to customize.
Zimbra
Using an open source email server is a great way to cut costs. Zimbra is a free and open source email server that offers the ability to create unlimited email domains, file sharing, calendaring, and more.
Zimbra also features a classic and modern UI, as well as video conferencing and group messaging. These features have been implemented to create a unified and consistent email experience. Zimbra offers a free 60-day trial.
You can configure Zimbra to run services such as IMAP, POP3, and SMTP, as well as S/MIME encryption. You can also configure Zimbra to handle file sharing using the file sharing tabs. It’s easy to install Zimbra on Linux.
Zimbra also features a built-in calendar and contact book. It offers group messaging and video conferencing, as well as file sharing. This email server also includes antivirus and malware prevention features.
Mail-in-a-Box
Using Mail-in-a-Box is a great way to set up your own email server. Using this open source software package, you can turn any computer in the cloud into a fully functioning mail server. It offers automatic DNS configuration, IMAP/SMTP server, and spam filtering. You can also set up webmail. You can also send and receive mail as you would from your Gmail account or Yahoomail account. You can also synchronize contacts and calendars.
The Mail-in-a-Box website has an official Setup Guide that covers everything you need to know. The guide walks you through the process of setting up your Mail-in-a-Box box and control panel. It includes advanced instructions as well.
Once you have completed the installation process, you can configure your email server through the Box admin panel. This includes setting up email users, adding new domains, and adjusting existing email accounts. You can also configure Mail-in-a-Box’s built-in DNS service.