function SetLanguage($langcode = 'en', $lang_path = 'language/') {
    //Define full set of translatable strings
    $PHPMAILER_LANG = array(
      'provide_address' => 'You must provide at least one recipient email address.',
      'mailer_not_supported' => ' mailer is not supported.',
      'execute' => 'Could not execute: ',
      'instantiate' => 'Could not instantiate mail function.',
      'authenticate' => 'SMTP Error: Could not authenticate.',
      'from_failed' => 'The following From address failed: ',
      'recipients_failed' => 'SMTP Error: The following recipients failed: ',
      'data_not_accepted' => 'SMTP Error: Data not accepted.',
      'connect_host' => 'SMTP Error: Could not connect to SMTP host.',
      'file_access' => 'Could not access file: ',
      'file_open' => 'File Error: Could not open file: ',
      'encoding' => 'Unknown encoding: ',
      'signing' => 'Signing Error: ',
      'smtp_error' => 'SMTP server error: ',
      'empty_message' => 'Message body empty',
      'invalid_address' => 'Invalid address',
      'variable_set' => 'Cannot set or reset variable: '
    );
    //Overwrite language-specific strings. This way we'll never have missing translations - no more "language string failed to load"!
    $l = true;
    if ($langcode != 'en') { //There is no English translation file
      $l = @include $lang_path.'phpmailer.lang-'.$langcode.'.php';
    }
    $this->language = $PHPMAILER_LANG;
    return ($l == true); //Returns false if language not found
  }