邮件发送

<?php


/**
 * 邮件发送
 *
 * @param: $name[string]        接收人姓名
 * @param: $email[string]       接收人邮件地址
 * @param: $subject[string]     邮件标题
 * @param: $content[string]     邮件内容
 * @param: $type[int]           0 普通邮件， 1 HTML邮件
 * @param: $notification[bool]  true 要求回执， false 不用回执
 *
 * @return boolean
 */function send_mail($name, $email, $subject, $content,$smpt_host,$smpt_port, $smpt_user,$smpt_pass, $smpt_name, $smpt_email, $type = 0, $notification=false)
{
    /**
     * 使用smtp服务发送邮件
     */
    
    
    /* 邮件的头部信息 */
    $content_type = ($type == 0) ? 'Content-Type: text/plain; charset=utf8' : 'Content-Type: text/html; charset=utf8';
    $content   =  base64_encode($content);
    
    $headers = array();
    $headers[] = 'Date: ' . gmdate('D, j M Y H:i:s') . ' +0000';
    $headers[] = 'To: "' . '=?utf8?B?' . base64_encode($name) . '?=' . '" <' . $email. '>';
    $headers[] = 'From: "' . '=?utf8?B?' . base64_encode($smpt_name) . '?='.'" <' . $smpt_email . '>';
    $headers[] = 'Subject: ' . '=?utf8?B?' . base64_encode($subject) . '?=';
    $headers[] = $content_type . '; format=flowed';
    $headers[] = 'Content-Transfer-Encoding: base64';
    $headers[] = 'Content-Disposition: inline';
    
    if ($notification)
    {
        $headers[] = 'Disposition-Notification-To: ' . '=?utf8?B?' . base64_encode($smpt_name) . '?='.'" <' . $smpt_email . '>';
    }
    
    /* 获得邮件服务器的参数设置 */
    $params['host'] = $smpt_host;
    $params['port'] = $smpt_port;
    $params['user'] = $smpt_user;
    $params['pass'] = $smpt_pass;
    
    if (empty($params['host']) || empty($params['port']))
    {
        // 如果没有设置主机和端口直接返回 false
        echo "主机和端口不能为空";
    
        return false;
    }
    else
    {
        // 发送邮件
        if (!function_exists('fsockopen'))
        {
            //如果fsockopen被禁用，直接返回
            echo "fsockopen没有开启";
            return false;
        }
        
        include_once('./cls_smtp.php');
        static $smtp;
        
        $send_params['recipients'] = $email;
        $send_params['headers']    = $headers;
        $send_params['from']       = $smpt_email;
        $send_params['body']       = $content;
        
        if (!isset($smtp))
        {
            $smtp = new smtp($params);
        }
        
        if ($smtp->connect() && $smtp->send($send_params))
        {
            return true;
        }
        else 
        {
            $err_msg = $smtp->error_msg();
            if (empty($err_msg))
            {
                echo "位置错误";
            } 
            else 
            {
                if (strpos($err_msg, 'Failed to connect to server') !== false)
                {
                     echo "无法连接服务器：{$smpt_host}:{$smpt_port}"; 
                }
                else if (strpos($err_msg, 'AUTH command failed') !== false)
                {
                   echo "邮件服务器验证帐号或密码不正确";
                }
                elseif (strpos($err_msg, 'bad sequence of commands') !== false)
                {
                    echo "服务器拒绝发送该邮件";
                }
                else
                {
                    echo $err_msg;
                }
                
            }
            
            return false;
        }
    
    }

    
}






?>


cls_smtp.php

<?php

/**
 * ECSHOP SMTP 邮件类
 * ============================================================================
 * * 版权所有 2005-2012 上海商派网络科技有限公司，并保留所有权利。
 * 网站地址: http://www.ecshop.com；
 * ----------------------------------------------------------------------------
 * 这不是一个自由软件！您只能在不用于商业目的的前提下对程序代码进行修改和
 * 使用；不允许对程序代码以任何形式任何目的的再发布。
 * ============================================================================
 * $Author: liubo $
 * $Id: cls_smtp.php 17217 2011-01-19 06:29:08Z liubo $
*/

if (!defined('IN_ECS'))
{
    die('Hacking attempt');
}

define('SMTP_STATUS_NOT_CONNECTED', 1, true);
define('SMTP_STATUS_CONNECTED',     2, true);

class smtp
{
    var $connection;
    var $recipients;
    var $headers;
    var $timeout;
    var $errors;
    var $status;
    var $body;
    var $from;
    var $host;
    var $port;
    var $helo;
    var $auth;
    var $user;
    var $pass;

    /**
     *  参数为一个数组
     *  host        SMTP 服务器的主机       默认：localhost
     *  port        SMTP 服务器的端口       默认：25
     *  helo        发送HELO命令的名称      默认：localhost
     *  user        SMTP 服务器的用户名     默认：空值
     *  pass        SMTP 服务器的登陆密码   默认：空值
     *  timeout     连接超时的时间          默认：5
     *  @return  bool
     */
    function smtp($params = array())
    {
        if (!defined('CRLF'))
        {
            define('CRLF', "\r\n", true);
        }

        $this->timeout  = 10;
        $this->status   = SMTP_STATUS_NOT_CONNECTED;
        $this->host     = 'localhost';
        $this->port     = 25;
        $this->auth     = false;
        $this->user     = '';
        $this->pass     = '';
        $this->errors   = array();

        foreach ($params AS $key => $value)
        {
            $this->$key = $value;
        }

        $this->helo     = $this->host;

        //  如果没有设置用户名则不验证
        $this->auth = ('' == $this->user) ? false : true;
    }

    function connect($params = array())
    {
        if (!isset($this->status))
        {
            $obj = new smtp($params);

            if ($obj->connect())
            {
                $obj->status = SMTP_STATUS_CONNECTED;
            }

            return $obj;
        }
        else
        {
            if (!empty($GLOBALS['_CFG']['smtp_ssl']))
            {
                $this->host = "ssl://" . $this->host;
            }
            $this->connection = @fsockopen($this->host, $this->port, $errno, $errstr, $this->timeout);

            if ($this->connection === false)
            {
                $this->errors[] = 'Access is denied.';

                return false;
            }

            @socket_set_timeout($this->connection, 0, 250000);

            $greeting = $this->get_data();

            if (is_resource($this->connection))
            {
                $this->status = 2;

                return $this->auth ? $this->ehlo() : $this->helo();
            }
            else
            {
                log_write($errstr, __FILE__, __LINE__);
                $this->errors[] = 'Failed to connect to server: ' . $errstr;

                return false;
            }
        }
    }

    /**
     * 参数为数组
     * recipients      接收人的数组
     * from            发件人的地址，也将作为回复地址
     * headers         头部信息的数组
     * body            邮件的主体
     */

    function send($params = array())
    {
        foreach ($params AS $key => $value)
        {
            $this->$key = $value;
        }

        if ($this->is_connected())
        {
            //  服务器是否需要验证
            if ($this->auth)
            {
                if (!$this->auth())
                {
                    return false;
                }
            }

            $this->mail($this->from);

            if (is_array($this->recipients))
            {
                foreach ($this->recipients AS $value)
                {
                    $this->rcpt($value);
                }
            }
            else
            {
                $this->rcpt($this->recipients);
            }

            if (!$this->data())
            {
                return false;
            }

            $headers = str_replace(CRLF . '.', CRLF . '..', trim(implode(CRLF, $this->headers)));
            $body    = str_replace(CRLF . '.', CRLF . '..', $this->body);
            $body    = substr($body, 0, 1) == '.' ? '.' . $body : $body;

            $this->send_data($headers);
            $this->send_data('');
            $this->send_data($body);
            $this->send_data('.');

            return (substr($this->get_data(), 0, 3) === '250');
        }
        else
        {
            $this->errors[] = 'Not connected!';

            return false;
        }
    }

    function helo()
    {
        if (is_resource($this->connection)
                AND $this->send_data('HELO ' . $this->helo)
                AND substr($error = $this->get_data(), 0, 3) === '250' )
        {
            return true;
        }
        else
        {
            $this->errors[] = 'HELO command failed, output: ' . trim(substr($error, 3));

            return false;
        }
    }

    function ehlo()
    {
        if (is_resource($this->connection)
                AND $this->send_data('EHLO ' . $this->helo)
                AND substr($error = $this->get_data(), 0, 3) === '250' )
        {
            return true;
        }
        else
        {
            $this->errors[] = 'EHLO command failed, output: ' . trim(substr($error, 3));

            return false;
        }
    }

    function auth()
    {
        if (is_resource($this->connection)
                AND $this->send_data('AUTH LOGIN')
                AND substr($error = $this->get_data(), 0, 3) === '334'
                AND $this->send_data(base64_encode($this->user))            // Send username
                AND substr($error = $this->get_data(),0,3) === '334'
                AND $this->send_data(base64_encode($this->pass))            // Send password
                AND substr($error = $this->get_data(),0,3) === '235' )
        {
            return true;
        }
        else
        {
            $this->errors[] = 'AUTH command failed: ' . trim(substr($error, 3));

            return false;
        }
    }

    function mail($from)
    {
        if ($this->is_connected()
            AND $this->send_data('MAIL FROM:<' . $from . '>')
            AND substr($this->get_data(), 0, 2) === '250' )
        {
            return true;
        }
        else
        {
            return false;
        }
    }

    function rcpt($to)
    {
        if ($this->is_connected()
            AND $this->send_data('RCPT TO:<' . $to . '>')
            AND substr($error = $this->get_data(), 0, 2) === '25')
        {
            return true;
        }
        else
        {
            $this->errors[] = trim(substr($error, 3));

            return false;
        }
    }

    function data()
    {
        if ($this->is_connected()
            AND $this->send_data('DATA')
            AND substr($error = $this->get_data(), 0, 3) === '354' )
        {
            return true;
        }
        else
        {
            $this->errors[] = trim(substr($error, 3));

            return false;
        }
    }

    function is_connected()
    {
        return (is_resource($this->connection) AND ($this->status === SMTP_STATUS_CONNECTED));
    }

    function send_data($data)
    {
        if (is_resource($this->connection))
        {
            return fwrite($this->connection, $data . CRLF, strlen($data) + 2);
        }
        else
        {
            return false;
        }
    }

    function get_data()
    {
        $return = '';
        $line   = '';

        if (is_resource($this->connection))
        {
            while (strpos($return, CRLF) === false OR $line{3} !== ' ')
            {
                $line    = fgets($this->connection, 512);
                $return .= $line;
            }

            return trim($return);
        }
        else
        {
            return '';
        }
    }

    /**
     * 获得最后一个错误信息
     *
     * @access  public
     * @return  string
     */
    function error_msg()
    {
        if (!empty($this->errors))
        {
            $len = count($this->errors) - 1;
            return $this->errors[$len];
        }
        else
        {
            return '';
        }
    }
}

?>