SMTP邮件未发送- Codeigniter电子邮件库

oug3syen 于 2022-12-07 发布在其他

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通过SMTP协议发送邮件时遇到问题。

欢迎使用.php

$this->load->library('email');

$config = array();
$config['protocol'] = 'smtp';
$config['smtp_host'] = 'smtp.zoho.com';
$config['smtp_user'] = 'support@domain.com';
$config['smtp_pass'] = '**************';
$config['smtp_port'] = 465;
$config["smtp_crypto"] = "ssl";

$this->email->initialize($config);

$this->email->set_newline("\r\n");
$this->email->from('support@domain.com', 'Support name'); // change it to yours
$this->email->to($to);// change it to yours
$this->email->subject($subject);
$this->email->message($message);

    if($this->email->send())
    {
      echo "Success! - An email has been sent to ".$to;
    }
    else
    { 
      show_error($this->email->print_debugger());
      return false;
    }
}

以下是输出错误：

An Error Was Encountered
220 mx.zohomail.com SMTP Server ready June 29, 2018 5:16:40 AM PDT 

hello: 

The following SMTP error was encountered: 
Unable to send email using PHP SMTP. Your server might not be configured to send mail using this method.
Date: Fri, 29 Jun 2018 12:16:40 +0000
From: "Support Name" <support@domain.com>
Return-Path: <support@domain.com>
To: recipent@gmail.com
Subject: =?ISO-8859-1?Q?=43=6F=70=79=20=61=6C=6C=20=74=68=65?=
Reply-To: <support@domain.com>
User-Agent: CodeIgniter
X-Sender: support@domain.com
X-Mailer: CodeIgniter
X-Priority: 3 (Normal)
Message-ID: <5b36232840595@domain.com>
Mime-Version: 1.0

Content-Type: multipart/alternative; boundary="B_ALT_5b3623284061c"

This is a multi-part message in MIME format.
Your email application may not support this format.

--B_ALT_5b3623284061c
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: 8bit

Some

--B_ALT_5b3623284061c
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

Some Email Description=0A=0A Some Email Description

--B_ALT_5b3623284061c--

注意：该脚本在localhost以及其他多个主机上运行良好，但在VPS主机上不工作。
以下是需要记住的事项：
1.代码很好（在不同的主机中尝试，它的工作）
1.将$config['protocol'] = "smtp";更改为$config['protocol'] = "sendmail";可以。但我只想通过SMTP协议发送邮件。
1.使用Zoho邮件SMTP协议（smtp.zoho.com）
1.已尝试，Google SMTP，仍不发送。（已使用PHPMailer库测试凭据。它正在处理凭据。）

codeigniter

来源：https://stackoverflow.com/questions/51102050/smtp-mail-not-sending-codeigniter-email-library

3条答案

按热度按时间

w9apscun1#

我希望这段代码能正常工作

$Config = [
  'protocol'  => 'smtp', 
  'smtp_host' => 'smtp.zoho.com', 
  'smtp_port' =>  465, 
  'smtp_user' => 'support@domain.com', 
  'smtp_pass' => '**************', 
  'mailtype'  => 'html', 
  'charset'   => 'utf-8'
];
$this->load->library('email',$config);
$this->email->set_newline("\r\n");
$this->email->from('support@domain.com', 'Support name'); // change it to yours
$this->email->to($to);// change it to yours
$this->email->subject($subject);
$this->email->message($message);
if($this->email->send()){
   echo "Success! - An email has been sent to ".$to;
}
else{ 
   show_error($this->email->print_debugger());
   return false;
}

赞(0）回复(0）举报 2022-12-07

ioekq8ef2#

解决方案：问题已修复！问题是有效的主机名&反向DNS。
**详细信息：**由于配置错误，SMTP在7 - 10 secs附近响应。根据docs，如果我们不指定smtp_timeout，它将采用默认值5 sec。因此，我将smtp_timeout从默认值5 sec更改为10 sec，它工作正常。

查出问题后，发现SMTP响应慢，没有有效的主机名，添加了反向DNS，所以添加了，现在正常工作，现在去掉了smtp_timeout字段，现在正常工作。

赞(0）回复(0）举报 2022-12-07

7xzttuei3#

通过SMTP发送电子邮件可能是非常棘手的，由于现在的安全检查。
验证：
1.您的服务器上有rDNS，它与您的服务器IP匹配
1.对您用来发送电子邮件的电子邮件禁用两步验证
1.在用于发送电子邮件的电子邮件上启用IMAP和POP
按如下方式更改配置项设置：

//Settings for CI
    $config['protocol'] = 'smtp';  
    $config['smtp_host'] = 'ssl://smtp.zoho.com'; 
    $config['smtp_user'] = 'anyemail@server.com'; 
    $config['smtp_pass'] = '***********';
    $config['smtp_port'] = '465';
    $config['smtp_crypto'] = 'ssl';

    //Google Settings for CI
    $config['protocol'] = 'ssmtp';  
    $config['smtp_host'] = 'ssl://ssmtp.gmail.com'; 
    $config['smtp_user'] = 'anyemail@server.com'; 
    $config['smtp_pass'] = '***********';
    $config['smtp_port'] = '465';
    $config['smtp_crypto'] = 'ssl';

    //general settings
    $config['_smtp_auth'] = TRUE; //important
    $config['smtp_timeout'] = 30;
    $config['charset'] = 'utf-8';
    $config['mailtype'] = 'html';
    //optional
    $config['wrapchars'] = 76;
    $config['wordwrap'] = TRUE;

赞(0）回复(0）举报 2022-12-07

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SMTP邮件未发送- Codeigniter电子邮件库

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