1  ‘mailer‘ => [  
 2            ‘class‘ => ‘yii\swiftmailer\Mailer‘,  //服务器类
 3            ‘useFileTransport‘ => false,//这句一定有，false发送邮件，true只是生成邮件在runtime文件夹下，不发邮件
 4            ‘transport‘ => [  
 5                ‘class‘ => ‘Swift_SmtpTransport‘,  //使用类
 6                ‘host‘ => ‘smtp.qq.com‘,  //每种邮箱的host配置不一样
 7                ‘username‘ => ‘  QQ号  @qq.com‘,  //邮箱地址发送的邮箱
 8                ‘password‘ => ‘****‘,  //邮箱授权码,保障你邮箱设置在开启的状态
 9                ‘port‘ => ‘465‘,  //163的好像是25，用的时候在查吧
10                ‘encryption‘ => ‘ssl‘, //加密方式                     
11             ], 
12              ‘messageConfig‘=>[  
13                 ‘charset‘=>‘UTF-8‘,  
14                 ‘from‘=>[‘QQ号@qq.com‘=>‘admin‘] , //邮件里显示邮件地址和名称
15             ],            
16          ], 
17         

 1 public function actionEmail()
 2     {
 3         $mail= Yii::$app->mailer->compose();   
 4         $mail->setTo(‘QQ@qq.com‘);  
 5         $mail->setSubject("邮件测试");  
 6         //$mail->setTextBody(‘zheshisha ‘);   //发布纯文字文本
 7         $mail->setHtmlBody("<br>问我我我我我");    //发布可以带html标签的文本
 8         if($mail->send())  
 9             echo "success";  
10         else  
11             echo "failse";   
12         die();
13     }