会员注册：发送welcome邮件.

common/helpers/Email.php

@@ -17,11 +17,9 @@ class Email
         $subject = 'Elken Welcome You.';
         $message = \Yii::t('ctx', 'welcomeEmail', ['userName' => $userName, 'passWord' => $password]);
 
-        $email = 'kevin@elken.com'; // TODO: test
-
         $mailer = Yii::$app->mailer->compose();
-        $mailer->setFrom(Yii::$app->params['adminEmail']);
-        $mailer->setTo($email);
+        $mailer->setFrom(trim(Yii::$app->params['adminEmail'], "\r\n"));
+        $mailer->setTo(trim($email, "\r\n"));
         $mailer->setSubject($subject);
         $mailer->setHtmlBody($message);
         if ($mailer->send()) {