Xeams 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)

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

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.

Self hosted modern mail server

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

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

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.

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

Synovel Collabsuite is the name of a next generation and open source web server for the Linux operating systems that now features the chat and support for the calendars as well.

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

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