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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.


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Implementing DomainKeysDKIM on OS X 10.8.x Mountain Lion With Server 2.x and OS X 10.9.x Mavericks With Server 3.x

1. Introduction 2. Requirements 3. Using Mail::DKIM to verify incoming messages 4. Using amavisd-net to sign outgoing messages 5. Advanced configuration options 6. Caveats – READ this chapter! DISCLAIMER: The author(s) claim(s) no responsibility for any damage that may occur from the use of any information found here or found on links followed from this […]

Can I upgrade to a newer version of Roundcube?

You can manually update your Roundcube installation anytime. Backup your current installation. Download a newer version of Roundcube and CAREFULLY read the upgrade instructions contained in the download. The usual process is to navigate to the bin directory of the new version cd ~/Downloads/roundcube-0.x.x/bin Then run the script specifying the target directory. ./ /usr/local/topicdesk/roundcube/WebApp […]

How to disable the Roundcube CardDav plugin

Problem Logging into Roundcube takes more than 10 seconds. During Roundcube login, just after you enter the user/pw, the CardDAV plugin attempts a connection to the user’s CardDAV address book. If the CardDAV plugin is making a successful connection, there is no perceivable delay. However, If the plugin is NOT configured to make a successful […]

How to edit Roundcube defaults

You will find system-wide defaults in this file /usr/local/topicdesk/roundcube/WebApp/config/ For example, to change the help link in Roundcube, change: $rcmail_config['support_url'] = ""; Its important to note User default settings established for a user when they first login. Once the user has logged in, they are in control of their settings (now stored in the database). […]

How to create a shared Roundcube address book

In the Server app, create a new user (or several) such as: shared-contacts marketing-contacts In Roundcube, go to Settings/Preferences/CardDav If you are not using SSL, setup like this If you are using SSL, setup like this In either case, the short URL you entered will be replaced by the complete carddav URL, which might look […]

How do I change the Roundcube logo to my own ?

Copy your new logo into this directory /usr/local/topicdesk/roundcube/WebApp/ Edit the Roundcube config file: /usr/local/topicdesk/roundcube/WebApp/config/ Find this line $rcmail_config[‘skin_logo’] = ”; and change it to your the filename of your logo $rcmail_config[‘skin_logo’] = ‘mycompany-logo.png’;


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