diff --git a/doc/manual_installation/radicale.rst b/doc/manual_installation/radicale.rst
index 81537a9ae..c63bbbf28 100644
--- a/doc/manual_installation/radicale.rst
+++ b/doc/manual_installation/radicale.rst
@@ -4,7 +4,7 @@
 Radicale
 #######
 
-This page is currently being written.
+This page is displaying how to install and use radicale when either having installed modoboa manually or with the dedicated installer.
 
 .. _radicale_oauth2:
 
@@ -15,6 +15,27 @@ OAuth 2 authentication
 
   These steps are automatic if you use an up-to-date modoboa-installer to install/upgrade.
 
+Preparing the usage of radicale (manual install only)
+-----------------------------------------------------
+
+It is assumed you have not installed in the past radicale from your package manager and your modoboa installation is working correctly. If so, you may skip this section and proceed to the next one.
+You will need to create directories for the radicale user, needed files and set-up the account (location may change depending on your OS and initial set-up).
+
+.. sourcecode:: bash
+
+  > sudo mkdir /var/lib/radicale /etc/radicale
+  > sudo touch /etc/radicale/{rights,config}
+  > sudo adduser --system --home /var/lib/radicale/ --no-create-home --gecos "Radicale CalDAV server" --group --disabled-password --quiet radicale
+  > sudo chown -R radicale /etc/radicale
+  > sudo chown /var/lib/radicale
+
+Creation of the virtual environment (manual install only)
+---------------------------------------------------------
+
+.. sourcecode:: bash
+
+  > sudo -u radicale virtualenv /var/lib/radicale/env
+
 Installing radicale oauth plugin
 --------------------------------
 
@@ -27,6 +48,14 @@ If you used the installer you can use the following commands:
   > cd ~
   > env/bin/pip install radicale-modoboa-auth-oauth2
 
+For manual installations, this will do the job:
+
+.. sourcecode:: bash
+
+  > sudo -u radicale /var/lib/radicale/env/bin/pip install radicale-modoboa-auth-oauth2
+
+Please note because the plugin offered by modoboa's team is listing radicale as a dependency you do not need to explicitely install radicale.
+
 Oauth application creation
 --------------------------
 
@@ -55,3 +84,44 @@ Then, add the following line in `[auth]`::
 
 
 Replace ``<client_secret>`` with the value you obtained earlier.
+
+Your:file:`/etc/radicale/config` should look like this (listening address and port may vary):
+
+  [server]
+  hosts = 0.0.0.0:5232,[::]:5232
+  
+  [auth]
+  type = radicale_modoboa_auth_oauth2
+  oauth2_introspection_endpoint = https://radicale:<client_secret>@<hostname of your server>/api/o/introspect/
+  
+  [rights]
+  type = from_file
+  file = /etc/radicale/rights
+  
+  [storage]
+  filesystem_folder = /var/lib/radicale/collections
+
+With that set-up, radicale should be working when managing calendars through modoboa's web interface but _not_ when using other clients like Thunderbird.
+
+Modifications for using external clients (optional)
+---------------------------------------------------
+
+To ensure other clients can identify, you need to modify radicale by adding in the config file under the [auth] section:
+
+  dovecot_socket = /run/dovecot/auth-radicale
+
+and in 10-master.conf for dovecot:
+
+  unix_listener auth-radicale {
+   mode = 0660
+   user = radicale
+   group = dovecot        
+  }
+
+Then, restart both modoboa and radicale to enjoy managing calendars (ICS type) with your favorite client.
+
+Reverse proxy for radicale (optional)
+-------------------------------------
+
+At this stage, no encryption is provided, and you may use a reverse proxy as described in `Radicale's documentation
+<https://radicale.org/v3.html#reverse-proxy>`_.