diff --git a/src/app/Backends/DAV.php b/src/app/Backends/DAV.php
--- a/src/app/Backends/DAV.php
+++ b/src/app/Backends/DAV.php
@@ -314,6 +314,45 @@
         return $response !== false;
     }
 
+    /**
+     * Initialize DAV folders (collections)
+     *
+     * @param \App\User    $user    User object
+     * @param array<array> $folders Folders list (path, displayname, type, components)
+     *
+     * @return bool True on success, False on error
+     */
+    public static function initDefaultFolders(\App\User $user, array $folders)
+    {
+        // FIXME: It looks like we'll need a way to authenticate the user, or cyrus admin
+        $dav = new self($email, $password);
+
+        foreach ($folders as $props) {
+            $folder = new DAV\Folder();
+            $folder->href = "addressbooks/user/{$user->email}/{$props['path']}";
+            $folder->name = $props['displayname'] ?? '';
+            $folder->types = ['collection', $props['type']];
+            $folder->components = $props['components'] ?? [];
+
+            // folder already exists? check the properties and update if needed
+            if ($existing = $dav->folderInfo($folder->href)) {
+                if ($existing->name != $folder->name || $existing->components != $folder->components) {
+                    if (!$dav->folderUpdate($folder)) {
+                        \Log::error("Failed to update DAV folder {$folder->href}");
+                        return false;
+                    }
+                }
+            }
+
+            if (!$dav->folderCreate($folder)) {
+                \Log::error("Failed to create DAV folder {$folder->href}");
+                return false;
+            }
+        }
+
+        return true;
+    }
+
     /**
      * Search DAV objects in a folder.
      *
diff --git a/src/app/Jobs/User/CreateJob.php b/src/app/Jobs/User/CreateJob.php
--- a/src/app/Jobs/User/CreateJob.php
+++ b/src/app/Jobs/User/CreateJob.php
@@ -106,6 +106,13 @@
             $user->status |= \App\User::STATUS_IMAP_READY;
         }
 
+        $folders = \config('services.dav.default_folders');
+        if (count($folders)) {
+            if (!\App\Backends\DAV::initDefaultFolders($user, $folders)) {
+                throw new \Exception("Failed to initialize DAV folders for user {$this->userId}.");
+            }
+        }
+
         // Make user active in non-mandate mode only
         if (
             !($wallet = $user->wallet())
diff --git a/src/config/services.php b/src/config/services.php
--- a/src/config/services.php
+++ b/src/config/services.php
@@ -1,5 +1,32 @@
 <?php
 
+$dav_folders = [];
+if (env('DAV_WITH_DEFAULT_FOLDERS', false)) {
+    $dav_folders = [
+        [
+            // FIXME: Should we use something else than 'Default'? This is
+            // what Cyrus creates, and I didn't find a setting to change it,
+            // we can only disable creation of the folder.
+            'path' => 'Default',
+            'displayname' => 'Calendar',
+            'components' => ['VEVENT'],
+            'type' => 'calendar',
+        ],
+        [
+            'path' => 'Tasks',
+            'displayname' => 'Tasks',
+            'components' => ['VTODO'],
+            'type' => 'calendar',
+        ],
+        [
+            // FIXME: Same here, should we use 'Contacts'?
+            'path' => 'Default',
+            'displayname' => 'Contacts',
+            'type' => 'addressbook',
+        ],
+    ];
+}
+
 return [
 
     /*
@@ -58,6 +85,7 @@
 
     'dav' => [
         'uri' => env('DAV_URI', 'https://proxy/'),
+        'default_folders' => $dav_folders,
     ],
 
     'activesync' => [