iMail Alternatives

Microsoft Exchange Server is a messaging and collaborative software product developed by Microsoft.

hMailServer is a free e-mail server for Microsoft Windows.

Warm up your cold email inbox, and never land in spam anymore!

Try for free freemium $9.0 / Monthly

Zimbra is trusted by over 500 million users to increase productivity with a complete set of collaboration tools while maintaining total control over security and privacy.

Axigen is an integrated email, calendaring & collaboration platform, built on a Linux mail server technology.

A fully fledged, free email server solution, an open source project (GPL v2).

Google's encompassing suite of cloud-based business apps.

An open source mailserver suite.

Is a collaboration suite (messaging and groupware).

MailEnable is a Windows based mail server and email server program that is packed with the state of the features and functions like antivirus and spam filtering system, webmail management system, cardDAV, CalDAV and much more.

Microsoft Office is an office suite of desktop applications, servers, and services for the Microsoft Windows and OS X operating systems.

Web-based IMAP email client

Open-Xchange Server 6 is the most advanced Linux based Groupware solution f.

OpenChange aims to provide a portable Open Source implementation of Microsoft Exchange Server and...