$params = ['distinct' => true, 'expression' => 'convid'];
$notifications += DBA::count('mail', ['uid' => $identity['uid'], 'seen' => false], $params);
$params = ['distinct' => true, 'expression' => 'convid'];
$notifications += DBA::count('mail', ['uid' => $identity['uid'], 'seen' => false], $params);