15 Like Microsoft Exchange Server Alternative? YES NO Microsoft Exchange Server is a messaging and collaborative software product developed by Microsoft. It is part of the Microsoft Servers line of server products and is... Commercial Windows Web Real time collaboration Add a feature
4 Like Citadel Good alternative? YES NO Is a collaboration suite (messaging and groupware). It is designed to run on open source operating systems such as Linux or BSD. In order to modernize the Citadel... Free Open Source Linux Web Real time collaboration Add a feature
18 Like hMail Server Good alternative? YES NO hMailServer is a free e-mail server for Microsoft Windows. Its used by Internet service providers, companies, governments, schools and enthusiasts in all parts of the... Free Open Source Windows POP3 Support Add a feature
5 Like Expanding Communication Alternative? YES NO Turnkey Solutions for the Enterprise Cloud Installation, Configuration, and Management tools for enterprise email, collaboration, messaging, video conferencing, file... Commercial Linux CalDAV Add a feature
1 Like MailEnable Good alternative? YES NO MailEnables mail server software provides a powerful, scalable hosted messaging platform for Microsoft Windows. Freemium Windows POP3 Support Add a feature
1 Like PowerMTA Good alternative? YES NO Email gateway application (SMTP server) that makes it easy for senders to adopt the latest authentication specifications ( SPF and DKIM) to comply with changing ISP... Commercial Windows Linux Self-Hosted No features added Add a feature
1 Like iMail Good alternative? YES NO Fast, safe, heavy mail solution. Web-client access, LAN or WAN self-hosted server, maintenance-free design. No Windows server and database server required, unlimited... Free Windows Self-Hosted No features added Add a feature
5 Like SophiMail Good alternative? YES NO SophiMail is a fully-featured email and collaboration server solving the most critical email issues: maximizes Privacy, Portability and Cost efficiency, Admin & User... Free BSD VirtualBox Self-Hosted KVM (Kernel-based Virtual Machine) HyperVM Citrix XenServer VMware vSphere Hypervisor FreeBSD ... Microsoft Hyper-V Server Daily Backup Indexed search CalDAV CardDAV Privacy focused Private messaging ... Schedule Backup Security focused Selective folder sharing Shared folders Team collaboration Two factor authentication Unlimited users Add a feature
1 Like Xeams Good alternative? YES NO Xeams is a secure & powerful mail server for Windows, Linux, Solaris, MacOSX and other flavors or UNIX, which supports SMTP, POP3, and IMAP. It includes a powerful... Free Personal Mac Windows Linux BSD No features added Add a feature
