Top 9 Most Popular Imap Server Softwares | Dec 2024

1. DBMail

DBMail is a fast, scalable IMAP4 and POP3 server that stores all email and users in a Postgresql, MySQL or SQLite database....... TpSort Score | 194,000,000

2. Atmail Email Server

Atmail webmail system offers a webmail client, email server platform and mailserver appliance for Linux, Unix and Windows.Features:WebmailCalendarAddressbookIMAP, POP or Exchange WebSyncSMTP/POP3/IMAP serverExplore the WebAdmin featuresVersions for Linux, VMware, PleskEasy install scripts for popular distributionsAtmail focuses on improving the usability of email and designing high-performance system for SMB/ISP use....... TpSort Score | 40,800,000

3. GeekInbox

Geekinbox is an email as a service platform that includes an ajax powered webmail interface. Free Plans Available...... TpSort Score | 28,500,000

4. OBM

OBM is a free messaging and collaboration platform useful for just a couple to many thousands of users with strong support for mobile devices....... TpSort Score | 14,300,000

5. Axigen

Axigen is an integrated email, calendaring & collaboration platform, built on a unique Linux mail server technology, for increased speed & security....... TpSort Score | 3,020,000

6. Cyrus IMAP

The Cyrus IMAP server differs from other IMAP server implementations in that it is generally intended to be run on sealed servers, where normal users cannot log in. Users can access mail through the IMAP/IMAP-S, POP3/POP3-S or KPOP protocols. The private mailbox database design gives the server considerable advantages in...... TpSort Score | 222,000

7. Courier IMAP

The Courier IMAP server is a fast, scalable, enterprise IMAP server that uses Maildirs. Many E-mail service providers use the Courier IMAP server to easy handle hundreds of thousands of mail accounts. With its built-in IMAP and POP3 aggregation proxy, the Courier IMAP server has practically infinite horizontal scalability. In...... TpSort Score | 201,000

8. Dovecot

Dovecot is an open source IMAP and POP3 email server for Linux/UNIX-like systems, written with security primarily in mind. Dovecot is an excellent choice for both small and large installations. It's fast, simple to set up, requires no special administration and it uses very little memory....... TpSort Score | 163,000

9. Communigate Pro

Based on open standards, CommuniGate Pro provides an integrated platform for Store-and-Forward (E-mail, Calendaring) and Real-Time (VoIP, Video, Instant Messaging, White Boards) communications over IPv4 and IPv6 networks.CommuniGate Pro can be used via its built-in WebUser Interface, the bundled Pronto! communication client, as well as any third-party client applications employing...... TpSort Score | 43,100