Apps similar to Modoboa include mailcow: dockerized, which is free and open source. Other options are Mail-in-a-box, Postfix Admin, Lightmeter and iRedMail. You can choose from more than 10 Mail Servers like Modoboa for Linux, self-hosting, the web, Mac and Windows.
mailcow is a mail server suite based on Dovecot, Postfix, SOGo, Rspamd and other open source software, that provides a modern Web UI for administration.
Germany
EU
United States
Postfix Admin is a web based interface used to manage mailboxes, virtual domains and aliases. It also features support for vacation/out-of-the-office messages.
Managing mailservers without delay or disruption is hard. Lightmeter Open Source Mailops monitoring that saves you time and money.
A fully fledged, free email server solution, an open source project (GPL v2).
Use official binary packages from Linux/BSD distributions, with both i386 and x86_64 support.
Easy, fast deployment in LESS THAN 1 MINUTE. View YouTube Video to check how easy it is.
Works on both no.
Mailu is a simple yet full-featured mail server as a set of Docker images. It is free software (both as in free beer and as in free speech), open to suggestions and external contributions.
Web App to manage only Postfix Aliases with a LARGE number of managed Domains (>hundreds). Simple user administration, AD auth, Python 3 compatible.
Ukraine
ViMbAdmin (pronounced vim-be-admin and meaning Virtual Mailbox Administration) is intended as an alternative to (and a near slot in replacement) for the popular but dated Postfix Admin application.
Mox is a modern full-featured open source secure mail server for low-maintenance self-hosted email.
inbuxa is a JMAP-first mail and collaboration server: JMAP, CalDAV, CardDAV and WebDAV in one binary, with IMAP, POP3 and ManageSieve supported until you switch them off. It ships with its own administration console and webmail, installed together as one suite.
United States
