Synovel Collabsuite Alternatives

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

An open source mailserver suite.

Open Source

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

Try for free freemium $9.0 / Monthly

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.

Self hosted modern mail server

Open Source

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

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

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

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.

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

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

NetWin SurgeMail is a best in the class webmail server for all kind of users from beginners to the professional one.

KerioConnect is a commercial mail and groupware server.