PHP SMTP 电子邮件错误‘354结束数据‘data: 354 Enter mail, end with .

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荆轲刺秦王

公司的邮箱发送验证码功能 之前一直正常工作 但是最近停止了 查看代码发现邮件类使用的是codeigniter框架的Email class

原有的代码是：
/application/config.php

'mail'					=>['protocol'	=>	'smtp','smtp_host'	=>	'mail.baidu.com','smtp_user'	=>	'root','smtp_pass'	=>	'root'],

common.php 公共函数类:

function send_email($to, $subject, $message,$from='',$title="通知",$priority=3,$file_url='',$cc='',$bcc='') {$config = config('mail');if(get_client_ip()=='127.0.0.1' && IS_WIN){$to = 'yaowei.liu@chipwealth.com';}if(strlen($from)==0){$from='ad@chipwealth.com';}if(strlen($title)==0){$title="通知";}$email = new Email($config);$email->from($from, $title);$email->to($to);$email->set_priority($priority);if($cc){$email->cc($cc);}if($bcc){$email->bcc($bcc);}$email->attach($file_url);$email->subject($subject);$email->message($message);if($to != 'aa@aa.com'){$email->send();/**$res = $email->print_debugger();var_dump($res);exit();**/}}

Email类使用的是 codeigniter 的Email类

详情见:Email Class — CodeIgniter 4.4.5 documentation

/*** CodeIgniter Email Class** Permits email to be sent using Mail, Sendmail, or SMTP.** @package		CodeIgniter* @subpackage	Libraries* @category	Libraries* @author		EllisLab Dev Team* @link		https://codeigniter.com/user_guide/libraries/email.html*/

收到的错误代码：

email_attachment_missing
220 mail.baidu.com ESMTP Tue, 30 Apr 2024 09:13:22 +0800
hello: 250-mail.baidu.com Hello hr-t.baidu.com [192.9.230.201], pleased to meet you
250-ETRN
250-AUTH LOGIN PLAIN
250-8BITMIME
250-ENHANCEDSTATUSCODES
250-PIPELINING
250-CHUNKING
250-STARTTLS
250 SIZE 419430400
from: 250 2.1.0 Sender OK
to: 250 2.1.5 Recipient OK
data: 354 Enter mail, end with .email_smtp_error
email_send_failure_smtp
User-Agent: SentCMS
Date: Tue, 30 Apr 2024 09:09:44 +0800
From: =?UTF-8?Q?=E8=8A=A2=96=E=E7=AE=A1=E9=9A=E7=9F=A5?= <hr@baidu.com>
Return-Path: <hr@baidu.com>
To: yaowei.liu@baidu.com
Subject: =?UTF-8?Q?=E8=96=E8=B5==E6=AC=A1=E9=AA=E8=AF=81?= =?UTF-8?Q?=E9=AA=8C=9A=E7==A5?=
Reply-To: <hr@baidu.com>
X-Sender: hr@baidu.com
X-Mailer: SentCMS
X-Priority: 3 (Normal)
Message-ID: <6638062@baidu.com>
Mime-Version: 1.0Content-Type: multipart/alternative; boundary="B_ALT_6680e266"This is a multi-part message in MIME format.
Your email application may not support this format.--B_ALT_663044d80e266
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit验证码: 879159 ,有效时间:3分钟,请尽快填写!--B_ALT_663044d80e266
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: quoted-printable=E88=B5=84=E8=AF=81=E7=A0=81: 879159 ,=E6=9C=86=95=88=
=E6=B6=97=B4:3=E5=89=92=9F,=E8=AF=B7=E5=B0=B=E5=A1=AB=
=E5=98=21--B_ALT_663046--

需要注意的是,如果想打印bug记得用email类的:
 

$email->print_debugger();

这个代码以前曾正常工作，但是现在却不能正常工作

最后发现是因为没有设置:

$config['crlf']     = "\r\n";
$config['newline']  = "\r\n";

那么在我的代码中 我就需要设置email类的config

'mail'					=>['protocol'	=>	'smtp','smtp_host'	=>	'mail.baidu.com','smtp_user'	=>	'root','smtp_pass'	=>	'root','crlf'      =>  "\r\n",'newline'   =>  "\r\n",],

然后更新代码，就发现可以正常发送邮件了。这个问题似乎是因为 Codeigniter默认情况下没有这样做。

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