diff --git a/src/app/Backends/IMAP.php b/src/app/Backends/IMAP.php
--- a/src/app/Backends/IMAP.php
+++ b/src/app/Backends/IMAP.php
@@ -107,11 +107,31 @@
             $imap->setQuota($mailbox, ['storage' => $quota]);
         }
 
+        self::createDefaultFolders($imap, $user);
+
         $imap->closeConnection();
 
         return true;
     }
 
+    /**
+     * Create default folders for the user.
+     *
+     * @param \App\User $user User
+     */
+    public static function createDefaultFolders($imap, User $user): void
+    {
+        foreach (\config('imap.default_folders') as $name => $folderconfig) {
+            try {
+                $mailbox = self::mailboxName($user->email, $name);
+                \Log::info("Creating default folder: $mailbox.");
+                self::createFolder($imap, $mailbox, true, $folderconfig['metadata']);
+            } catch (\Exception $e) {
+                \Log::warning("Failed to create the default folder" . $e->getMessage());
+            }
+        }
+    }
+
     /**
      * Delete a mailbox.
      *
@@ -184,28 +204,13 @@
         $settings = $resource->getSettings(['invitation_policy', 'folder']);
         $mailbox = self::toUTF7($settings['folder']);
 
-        // Mailbox already exists
-        if (self::folderExists($imap, $mailbox)) {
-            $imap->closeConnection();
-            return true;
-        }
-
-        // Create the shared folder
-        if (!$imap->createFolder($mailbox)) {
-            \Log::error("Failed to create mailbox {$mailbox}");
-            $imap->closeConnection();
-            return false;
-        }
-
-        // Set folder type
-        $imap->setMetadata($mailbox, ['/shared/vendor/kolab/folder-type' => 'event']);
-
-        // Set ACL
+        $acl = null;
         if (!empty($settings['invitation_policy'])) {
             if (preg_match('/^manual:(\S+@\S+)$/', $settings['invitation_policy'], $m)) {
-                self::aclUpdate($imap, $mailbox, ["{$m[1]}, full"]);
+                $acl = ["{$m[1]}, full"];
             }
         }
+        self::createFolder($imap, $mailbox, false, ['/shared/vendor/kolab/folder-type' => 'event'], $acl);
 
         $imap->closeConnection();
 
@@ -299,24 +304,7 @@
         $acl = !empty($settings['acl']) ? json_decode($settings['acl'], true) : null;
         $mailbox = self::toUTF7($settings['folder']);
 
-        // Mailbox already exists
-        if (self::folderExists($imap, $mailbox)) {
-            $imap->closeConnection();
-            return true;
-        }
-
-        // Create the mailbox
-        if (!$imap->createFolder($mailbox)) {
-            \Log::error("Failed to create mailbox {$mailbox}");
-            $imap->closeConnection();
-            return false;
-        }
-
-        // Set folder type
-        $imap->setMetadata($mailbox, ['/shared/vendor/kolab/folder-type' => $folder->type]);
-
-        // Set ACL
-        self::aclUpdate($imap, $mailbox, $acl);
+        self::createFolder($imap, $mailbox, false, ['/shared/vendor/kolab/folder-type' => $folder->type], $acl);
 
         $imap->closeConnection();
 
@@ -459,6 +447,41 @@
         return false;
     }
 
+    private static function mailboxName($username, $folderName)
+    {
+        $parts = explode('@', $username);
+        if (empty($folderName)) {
+            return self::toUTF7("user/$username");
+        } else {
+            return self::toUTF7("user/{$parts[0]}/$folderName@{$parts[1]}");
+        }
+    }
+
+    /**
+     * Check if an account is set up
+     *
+     * @param string $username User login (email address)
+     *
+     * @return bool True if an account exists and is set up, False otherwise
+     */
+    public static function verifyDefaultFolders(string $username): bool
+    {
+        $config = self::getConfig();
+        $imap = self::initIMAP($config);
+
+        foreach (\config('imap.default_folders') as $mb => $_metadata) {
+            $mailbox = self::mailboxName($username, $mb);
+            if (!self::folderExists($imap, $mailbox)) {
+                \Log::info("Folder $mailbox does not exist.");
+                $imap->closeConnection();
+                return false;
+            }
+        }
+
+        $imap->closeConnection();
+        return true;
+    }
+
     /**
      * Check if we can connect to the imap server
      *
@@ -515,6 +538,40 @@
         $imap->closeConnection();
     }
 
+    /**
+     * Create a folder and set some default properties
+     *
+     * @params $imap
+     *
+     * @returns bool True when having a folder created, False if it already existed.
+     * @throws \Exception 
+     */
+    private static function createFolder($imap, string $mailbox, $subscribe = false, $metadata = null, $acl = null, )
+    {
+        if (self::folderExists($imap, $mailbox)) {
+            return false;
+        }
+
+        if (!$imap->createFolder($mailbox)) {
+            \Log::error("Failed to create mailbox {$mailbox}");
+            throw new \Exception("Failed to create mailbox {$mailbox}");
+        }
+
+        if ($acl) {
+            self::aclUpdate($imap, $mailbox, $acl, true);
+        }
+
+        if ($subscribe) {
+            $imap->subscribe($mailbox);
+        }
+
+        foreach ($metadata as $key => $value) {
+            $imap->setMetadata($mailbox, [$key => $value]);
+        }
+
+        return true;
+    }
+
     /**
      * Convert Kolab ACL into IMAP user->rights array
      */
diff --git a/src/config/imap.php b/src/config/imap.php
--- a/src/config/imap.php
+++ b/src/config/imap.php
@@ -9,4 +9,16 @@
     'host' => env('IMAP_HOST', '172.18.0.5'),
     'imap_port' => env('IMAP_PORT', 12143),
     'guam_port' => env('IMAP_GUAM_PORT', 9143),
+    'default_folders' => [
+        'Calendar' => [
+            'metadata' => [
+                '/shared/vendor/kolab/folder-type' => 'calendar'
+            ],
+        ],
+        'Addressbook' => [
+            'metadata' => [
+                '/shared/vendor/kolab/folder-type' => 'addressbook'
+            ],
+        ],
+    ]
 ];
diff --git a/src/tests/Feature/Backends/IMAPTest.php b/src/tests/Feature/Backends/IMAPTest.php
--- a/src/tests/Feature/Backends/IMAPTest.php
+++ b/src/tests/Feature/Backends/IMAPTest.php
@@ -107,6 +107,7 @@
         $result = IMAP::createUser($user);
         $this->assertTrue($result);
         $this->assertTrue(IMAP::verifyAccount($user->email));
+        $this->assertTrue(IMAP::verifyDefaultFolders($user->email));
 
         $imap = $this->getImap();
         $quota = $imap->getQuota('user/' . $user->email);
@@ -128,6 +129,7 @@
 
         $result = IMAP::verifyAccount($user->email);
         $this->assertFalse($result);
+        $this->assertFalse(IMAP::verifyDefaultFolders($user->email));
     }
 
     /**