Download your version of Roundcube

Stable version - 1.5.2

Package Size SHA-256 checksum
Dependent1 4.3 MB e8ddba93e308903a5603535eb98b9392a34078fec0355f658f0e7facc424c683
Complete 7.4 MB f03968381156fe790d858af7e069c5550a8577fb964f96624434895272053838
Framework 1.8 MB 54757bfd485aa401b71d642bb7840f3cdcc082b63bf83e15e68596a1b24bdaf2

LTS versions

Long Term Support with low maintenance mode. This means only security updates and rare fixes of serious issues will go into these release branches.

Package Size SHA-256 checksum
1.4.13 - Complete 6.7 MB e22800be6a2635dad806259edeee2b9878567477d77a74f17ecadbc3e51f2d68
1.3.17 - Complete 5.3 MB 45fdd2ebfa0024f8a4c6750fd95e113b73802a2344b9af956ce68a1ea31e8abe

Release candidate - 1.6-rc

We recommend to test beta versions on a separate environment, and don't forget to backup your data before installing.

Package Size SHA-256 checksum
Dependent1 3.7 MB a5704be443ee4a55b721f90afc15654d787cf89cd655ba7d54df4d7ee644dced
Complete 5.7 MB 88b54e547d23870467feb455488e3cd12981d4a7600c2ae3e46ade6dac8da914
Framework 1.8 MB 0d70eb06f79f73c37f531aa5d533300d69c1f2f34a6f94faf26a4c7b6f2e50a6

1. Dependent packages only contain sources which are licensed under the GPL but they require some third-party packages to be installed along with Roundcube. All requirements are listed in the INSTALL instructions within the package file.

Other sources and downloads

  • All recent versions are listed on our Github releases page - complete with release notes and signatures.
  • To get the bleeding edge development version check out the files directly from our Github repository.
  • Archives of older releases can be found on
  • The Roundcube Docker image is available on Docker Hub as PHP-FPM service or complete webserver with Apache.
  • More information on Docker and a quick start guide is available in the Docker documentation.
  • We provide examples to run Roundcube with docker-compose or in Kubernetes.
  • Install one of the Roundcube Helm charts from
  • Roundcube can also be installed through auto installers like or cPanel.
  • The BitNami Roundcube Stack provides a one-click installer for various platforms and cloud services.
  • Via the Cloudron app store. Each Cloudron is a fully equipped mail server and has sieve integration.
  • Various Unix/Linux distributions provide Roundcube via their package managers. Check your local package repository.

PGP signatures for package verification

Release tarballs listed above are signed with PGP to allow you to verify the authencity. We sign them with the identity Roundcube Developers <[email protected]> alias 41C4F7D5 and the public key can be downloaded from the keyserver or from our website. The signatures can be found with the according release item on the GitHub releases page.

After downloading the pubkey and the signature file, verify packages with

gpg --verify roundcubemail-<version>.tar.gz{.asc,}

Installation and upgrading

Plugins and skins

Roundcube uses Composer to manage add-ons and dependencies. Our Plugins Repository contains a list of plugins and instructions on how to install them and keep them up-to-date. As well as plugins you'll also find additional skins available on Packagist.

Complete email server packages with Roundcube

Kolab Groupware

The Kolab Groupware Solution provides a complete email and groupware server pre-packaged for various linux distributions with Roundcube sitting on top as its web client. It offers easy configurable LDAP address books, calendars, tasks, mobile synchronization and more. An enterprise version with professional support is available from CyComm.


iRedMail is another fully open source email server solution that lets you install a full-featured email server in a few minutes. It installs and configures the popular open source email components like Postfix, Dovecot, Amavisd and - of course Roundcube - on major Linux and BSD distrubutions.


Mail-in-a-Box turns a fresh cloud computer into a fully equipped, working mail server. The setup provides Roundcube webmail and an IMAP/SMTP server for use with mobile devices and desktop mail software. It also includes contacts and calendar synchronization.


mailcow is an open source mail server suite for groupware/email purposes that can be installed in a fresh Debian/Ubuntu instance. It is powered by various open source mail server components (Dovecot, Postfix, ...) that can be administered in its modern web UI. It also comes with IMAP, POP3 and SMTP support as an alternative to Roundcube webmail.