Having a best Linux mail server can be a big advantage. Not only will you have a lot of control over how your mail is handled, but you will also have the ability to access your mail from any device. This is a huge plus for anybody who uses a computer to do business.
SquirrelMail
Basically, SquirrelMail is a popular webmail package that is used by a lot of people. It is available for many operating systems and platforms, including Linux.
SquirrelMail is an open source web-mail package, written in PHP. It supports IMAP, POP3 and SMTP. You can access SquirrelMail from anywhere using your web browser. The interface is quite similar to email clients like Thunderbird and Outlook. SquirrelMail supports a wide range of plugins and add-ons that extend its functionality.
Before you can use SquirrelMail, you need to have a working IMAP server. An IMAP server stores your email in its storage facility. You can use an email server like gmail or Yahoo, or you can install your own. You will also need an SMTP server.
SquirrelMail also supports HTML email messages. You can also set up your email account with an LDAP server.
Horde
Using Horde Linux mail server, a user can set up a powerful email client and calendar. The application is built on the Horde framework, which provides a rapid development environment for web applications. The framework also contains apps for contacts, calendars, and time tracking.
Horde is a free, open-source groupware package that features a web-based email client. It can be configured to use MySQL or PostgreSQL. It also supports NoSQL databases through MongoDB.
Horde includes an email filter rules manager called Ingo. It allows users to create rules for incoming emails and manage them from a single interface. It also has an address book called Turba.
Horde is a PHP-based framework. You can install it with the operating system’s package manager. However, you’ll need additional Pear packages to get it running.
Postfix
Originally developed as an alternative to Sendmail, Postfix has become the de facto MTA for most Unix systems. It offers many useful features, including a powerful content filter and database support. Its modular architecture makes it easier to configure. It also has a built-in access control mechanism.
Postfix is designed to run on most UNIX-like operating systems, including BSD UNIX and Linux. It also supports SQLite, Berkeley Database, PostgreSQL and LDAP.
Postfix has a lot of useful features, including a built-in content filter, a robust database support, virtual domain support and a powerful log management mechanism. It also offers an excellent user experience and provides top-notch defense against spambots.
It also comes with a robust admin panel, a handy calendar, and the ability to visualize traffic on your server. It is a free and open-source SQL-based Linux mail server, which makes managing your email a breeze.
Modoboa
Whether you are looking for a free email server for your business, or just want a more secure way to manage your email, Modoboa is one of the best free options available. It brings together the best open source tools to create a robust email server. Its installation is fast and easy.
It is also one of the most secure. It encrypts all email communication by default. It uses DKIM and TLS encryption. It also protects your reputation online with SPF and DMARC. It also comes bundled with SpamAssassin and Amavis virus scanning.
It has a web-based administration panel, which makes it easy to manage. It allows you to set up an unlimited number of mailboxes. It also provides calendar management and contact list management.
Citadel
Using a Citadel Linux mail server is a simple and efficient way to send and receive Internet e-mail. It can be configured to handle your own users, or to use Active Directory or any standard LDAP directory.
Citadel is designed to handle all of your mail needs without requiring any other software on your host system. The user accounts are stored in an internal database, eliminating the need for a separate IMAP server or POP3 service.
Citadel comes with its own SMTP service, allowing users to send and receive outbound Internet e-mail directly to the destination. It also implements SpamAssassin, a spam filtering technology.
There are also some advanced features. The Citadel website offers a quick install script that is easy to follow.
During installation, the server asks for your IP address. You may want to set a secure password for your administrator account.