outlook邮件乱码问题

代码中使用的utf-8编码格式，邮件内容在outlook中乱码，其他邮件上正常。

解决方法：使用mb_convert_encoding — 转换字符的编码

 $mailsubject = mb_convert_encoding($mailsubject, "GBK", "UTF-8");//邮件内容
        $mailbody = mb_convert_encoding($content, "GBK", "UTF-8");//邮件内容

发送邮件并校验方法：

 /**
     * 9、发送邮件验证码
     */
    public function sendMail ()
    {
        $email = input('post.email');  //邮箱
        $result = $this->send_mail($email);
        return $result;

    }
    public function send_mail($email)
    {
        $userId = session('userId');
        if ($email == ''){
            return array("status" => '1', 'error' => ['请输入邮箱']);
        }
        $checkmail = '/\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*/';//是否邮箱
        if(!preg_match($checkmail,$email)){
            return array("status" => '1', 'error' => ['邮箱格式不正确']);
        }
        $redis = Cache::connect(config::get('redis_options'));
        $redisCount = $redis->get('app_count' . $email);
        if (!$redisCount) {
            $redisCount = 0;
        }

        if ($redisCount>20){
            return array("status" => '1', 'error' => ['每天最多发送20条验证码']);
        }

        $verify_code = strval(rand(100000, 999999));
        $content = '<html>
	<head>
		<meta http-equiv="content-type" content="text/html;charset=utf8">
	</head>
	<body>
		<h3>亲爱的用户，您好：</h3>
		您正在**平台设置邮箱，验证码：'. $verify_code .'，有效期为10分钟，如有问题请联系管理员！
   </body>
</html>';
        # 发送邮件
        $smtpserver = 'smtp.***tl.net';            //SMTP服务器地址
        $smtpserverport = 80;                        //SMTP端口
        $smtpusermail = 'service@***tl.net';   //用户邮箱
        $smtpemailto = $email;
        $smtpuser = 'service@***tl.net';       //SMTP服务器的用户帐号
        $smtppass = 'f***@2015';                   //SMTP服务器的用户密码
        $mailsubject = '邀请函';//邮件主题
        $mailsubject = mb_convert_encoding($mailsubject, "GBK", "UTF-8");//邮件内容
        $mailbody = mb_convert_encoding($content, "GBK", "UTF-8");//邮件内容

        $mailtype = "HTML";//邮件格式（HTML/TXT）,TXT为文本邮件
        $smtp = new \Smtp\Smtp;
        $smtp->smtp($smtpserver,$smtpserverport,true,$smtpuser,$smtppass);//true是表示使用身份验证,否则不使用
        $smtp->debug = TRUE;//是否显示发送的调试信息
        $re = $smtp->sendmail($smtpemailto, $smtpusermail, $mailsubject, $mailbody, $mailtype);
        if ($re) {
            $redis->set('app_'.$userId . $smtpemailto, $verify_code, 600);
            $redisCount++;
            $seconds = strtotime(date("Y-m-d",strtotime("+1 day"))) - time(); //今天还剩多少秒
            $redis->set('app_count' . $smtpemailto, $redisCount,$seconds);

            $data['email'] = hidtel($smtpemailto);
            return array("status" => '0', 'data' => $data);
        } else {
            return array("status" => '1', 'error' => ['邮件发送失败']);
        }
    }

    /**
     * 校验邮箱验证码
     */
    public function checkEmail()
    {
        $email = input('post.email');  //邮箱
        $verificationCode = input('post.verificationCode'); //验证码
        $result = $this->check_email($email,$verificationCode);
        return $result;
    }
    public function check_email($email,$verificationCode)
    {
        $userId = session('userId');
        if ($email == '' or $verificationCode == '') {
            return array("status" => '1', 'error' => ['请输入邮箱和验证码']);
        }
        $checkmail = '/\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*/';//是否邮箱
        if(!preg_match($checkmail,$email)){
            return array("status" => '1', 'error' => ['邮箱格式不正确']);
        }

        $redis = Cache::connect(config::get('redis_options'));
        $redisCheck = $redis->get('app_'.$userId . $email);
        if ($verificationCode != $redisCheck) {
            return array("status" => '1', 'error' => ['验证码错误']);
        }else{
            return array("status" => '0', 'data' => ['验证码正确']);
        }

    }

outlook邮件乱码问题

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