Modoboa Alternatives

An open source mailserver suite.

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.

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)

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

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.

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

Web-based IMAP email client

Postfix Admin is a web based interface used to manage mailboxes, virtual domains and aliases.

Self hosted modern mail server

Full featured email server built in docker with free plan.

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.

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

Email Marketing for Business Checkout a smart email marketing software that helps you grow your business & reach out to new customers.

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