/**
  * Wrapper method for t3lib_div::validEmail() or \TYPO3\CMS\Core\Utility\GeneralUtility::validEmail()
  *
  * @param string $email Input string to evaluate
  * @return boolean Returns TRUE if the $email address (input string) is valid
  */
 public static function validEmail($email)
 {
     return Tx_Rnbase_Utility_Strings::validEmail($email);
 }
 /**
  * @param string	$emails
  * @return void
  */
 public function setEmailReceiver($emails)
 {
     $emails = Tx_Rnbase_Utility_Strings::trimExplode(',', $emails);
     foreach ($emails as $email) {
         if (!Tx_Rnbase_Utility_Strings::validEmail($email)) {
             throw new Exception('tx_mklog_scheduler_WatchDog->setEmail(): Invalid email address given!');
         }
     }
     $this->email = implode(',', $emails);
 }