MailEnable Alternatives

An open source mailserver suite.

Open Source

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

The #1 email warming service to improve your deliverability by generating realistic and meaningful engagement to your emails. Easy-to-use solution to help you land in the main inbox instead of the spam folder.

Visit website paid $19.5 / Monthly (Pro)

SmarterMail is a next generation email management server that is offering several business collaboration and communication features as well.

Mailu is a simple yet full-featured mail server as a set of Docker images.

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

KerioConnect is a commercial mail and groupware server.

Mail-in-a-Box provides webmail and an IMAP/SMTP server for use with mobile devices and desktop mail software and also includes contacts and calendar synchronization.

Open Source

Modoboa is a mail hosting and management platform including a modern and simplified Web User Interface.

Simple, easy and secure mail server with a convenient and simple interface.

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

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

Eudora Internet Mail Server is a highly advanced internet mail system that supports the all kind of email systems and clients either it is IMAP, POP3, SMTP and much more.

Postfix is a mail transfer agent (MTA) that routes and delivers electronic mail.