Our free tools for Mac OS X Server Mail Services – spamtrainer and mailbfr – have been downloaded more than 100’000 times and are helping system administrators looking after Mac OS X Servers from 10.3 to 10.13.


Our free tutorials and whitepapers related to Mac OS X Server Mail and Web Services have been downloaded more than 500’000 times. The tutorials are available for a wide range of topics and for Mac OS X Server versions from 10.4 to 10.13.


While we are happy to provide free support through our Tutorials, FAQs and the occasional e-mail advice, it cannot replace personalised support. A professional can fix in a matter of hours what could take you days of trial and error.

Why did Server 5.1 break Roundcube Webmail ?

It appears that Server 5.1 doesn’t properly activate webapps for the two default websites. This issue only effects roundcube installations upgraded to Server 5.1 Roundcube can be installed or re-installed on Server 5.1 without issue. Quick Fix To re-activate the webapp after upgrading to Server 5.1, run this command: sudo /Applications/ start com.topicdesk.roundcube

How Do I Add a Webmail Icon to the Default OS X Server Page?

Please read the complete tutorial before attempting This tutorial is valid for OS X 10.10 & 10.11 running Server app 5 To complete this tutorial you will need Terminal and your favorite text editor (Sublime Text or Adobe Brackets are great for this) and of course admin privileges. Step 1 – copy default page to […]

Changelog: Roundcube for OS X Server

1.3.6 Released 2018-06-01 Supports High Sierra and Server 5.6.x Includes Roundcube Webmail 1.3.6 new_user_dialog plugin is enabled by default for new installation Improved CardDav plugin installation RCMcarddav_3.0.2 Disables carddav plugin installation if AddressBook service is not running Detects CardDav server configuration and configures the plugin. 1.1.4 Released 2016-02-19 Roundcube Webmail 1.1.4 El Capitan and Server […]

What does the Multiple Message Selection plugin do?

The Multiple Message Selection adds a checkbox to select messages. Any action (delete, forward) will be performed for the group of selected messages. The Gear (visible in screenshot) allows you to choose the columns displayed.

What are HTML5 desktop notifications and how do I use them for Roundcube?

HTML5 notifications allow Roundcube to post notifications to your operating system. To enable desktop notifications on a Mac: Roundcube Settings, Preferences, Mailbox View. Notifications can be configured to play a sound and display alerts or banners. Source Version 0.5.2 License GPL-3.0+

What does Roundcube log and how do I access the logs ?

Roundcube Logging to File Roundcube and plugins save logs to this directory /usr/local/topicdesk/roundcube/WebApp/logs/ List your available logs: ls /usr/local/topicdesk/roundcube/WebApp/logs/ The default log settings are currently: $config[‘per_user_logging’] = false; $config[‘smtp_log’] = true; $config[‘log_logins’] = false; $config[‘log_session’] = false; $config[‘imap_log_session’] = false; Defaults can change, you should check the defaults for your installation be reviewing this file: […]


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