WildDuck 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

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.

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.

Full featured email server built in docker with free plan.

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

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.

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.

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

Open Source

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