diff --git a/src/app/Backends/IMAP.php b/src/app/Backends/IMAP.php
index 1e6d27c5..cdca97ce 100644
--- a/src/app/Backends/IMAP.php
+++ b/src/app/Backends/IMAP.php
@@ -1,111 +1,111 @@
 <?php
 
 namespace App\Backends;
 
 use App\Domain;
 use App\User;
 
 class IMAP
 {
     /**
      * 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 verifyAccount(string $username): bool
     {
         $config = self::getConfig();
         $imap = self::initIMAP($config, $username);
 
-        $folders = $imap->listSubscribed('', '*');
+        $folders = $imap->listMailboxes('', '*');
 
         if (!is_array($folders)) {
             throw new \Exception("Failed to get IMAP folders");
         }
 
         $imap->closeConnection();
 
-        return count($folders) > 1;
+        return count($folders) > 0;
     }
 
     /**
      * Initialize connection to IMAP
      */
     private static function initIMAP(array $config, string $login_as = null)
     {
         $imap = new \rcube_imap_generic();
 
         if (\config('app.debug')) {
             $imap->setDebug(true, 'App\Backends\IMAP::logDebug');
         }
 
         if ($login_as) {
             $config['options']['auth_cid'] = $config['user'];
             $config['options']['auth_pw'] = $config['password'];
             $config['options']['auth_type'] = 'PLAIN';
             $config['user'] = $login_as;
         }
 
         $imap->connect($config['host'], $config['user'], $config['password'], $config['options']);
 
         if (!$imap->connected()) {
             $message = sprintf("Login failed for %s against %s. %s", $config['user'], $config['host'], $imap->error);
 
             \Log::error($message);
 
             throw new \Exception("Connection to IMAP failed");
         }
 
         return $imap;
     }
 
     /**
      * Get LDAP configuration for specified access level
      */
     private static function getConfig()
     {
         $uri = \parse_url(\config('imap.uri'));
         $default_port = 143;
         $ssl_mode = null;
 
         if (isset($uri['scheme'])) {
             if (preg_match('/^(ssl|imaps)/', $uri['scheme'])) {
                 $default_port = 993;
                 $ssl_mode = 'ssl';
             } elseif ($uri['scheme'] === 'tls') {
                 $ssl_mode = 'tls';
             }
         }
 
         $config = [
             'host' => $uri['host'],
             'user' => \config('imap.admin_login'),
             'password' => \config('imap.admin_password'),
             'options' => [
                 'port' => !empty($uri['port']) ? $uri['port'] : $default_port,
                 'ssl_mode' => $ssl_mode,
                 'socket_options' => [
                     'ssl' => [
                         'verify_peer' => \config('imap.verify_peer'),
                         'verify_peer_name' => \config('imap.verify_peer'),
                         'verify_host' => \config('imap.verify_host')
                     ],
                 ],
             ],
         ];
 
         return $config;
     }
 
     /**
      * Debug logging callback
      */
     public static function logDebug($conn, $msg): void
     {
         $msg = '[IMAP] ' . $msg;
 
         \Log::debug($msg);
     }
 }