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<?php
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/**
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* shop SMTP 邮件类
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* ============================================================================
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* * 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。
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* 网站地址: http://www.shop.com；
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* ----------------------------------------------------------------------------
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* 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
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* 使用；不允许对程序代码以任何形式任何目的的再发布。
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* ============================================================================
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* $Author: wayne $
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* $Id: cls_smtp.php 17217 2011-01-19 06:29:08Z wayne $
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*/
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if (!defined('IN_ASC'))
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{
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die('Hacking attempt');
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}
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define('SMTP_STATUS_NOT_CONNECTED', 1, true);
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define('SMTP_STATUS_CONNECTED', 2, true);
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class smtp
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{
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var $connection;
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var $recipients;
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var $headers;
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var $timeout;
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var $errors;
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var $status;
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var $body;
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var $from;
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var $host;
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var $port;
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var $helo;
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var $auth;
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var $user;
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var $pass;
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/**
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* 参数为一个数组
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* host SMTP 服务器的主机 默认：localhost
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* port SMTP 服务器的端口 默认：25
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* helo 发送HELO命令的名称 默认：localhost
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* user SMTP 服务器的用户名 默认：空值
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* pass SMTP 服务器的登陆密码 默认：空值
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* timeout 连接超时的时间 默认：5
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* @return bool
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*/
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function smtp($params = array())
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{
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if (!defined('CRLF'))
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{
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define('CRLF', "\r\n", true);
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}
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$this->timeout = 10;
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$this->status = SMTP_STATUS_NOT_CONNECTED;
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$this->host = 'localhost';
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$this->port = 25;
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$this->auth = false;
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$this->user = '';
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$this->pass = '';
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$this->errors = array();
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foreach ($params AS $key => $value)
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{
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$this->$key = $value;
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}
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$this->helo = $this->host;
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// 如果没有设置用户名则不验证
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$this->auth = ('' == $this->user) ? false : true;
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}
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function connect($params = array())
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{
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if (!isset($this->status))
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{
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$obj = new smtp($params);
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if ($obj->connect())
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{
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$obj->status = SMTP_STATUS_CONNECTED;
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}
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return $obj;
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}
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else
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{
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if (!empty($GLOBALS['_CFG']['smtp_ssl']))
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{
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$this->host = "ssl://" . $this->host;
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}
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$this->connection = @fsockopen($this->host, $this->port, $errno, $errstr, $this->timeout);
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if ($this->connection === false)
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{
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$this->errors[] = 'Access is denied.';
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return false;
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}
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@socket_set_timeout($this->connection, 0, 250000);
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$greeting = $this->get_data();
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if (is_resource($this->connection))
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{
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$this->status = 2;
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return $this->auth ? $this->ehlo() : $this->helo();
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}
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else
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{
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log_write($errstr, __FILE__, __LINE__);
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$this->errors[] = 'Failed to connect to server: ' . $errstr;
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return false;
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}
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}
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}
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/**
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* 参数为数组
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* recipients 接收人的数组
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* from 发件人的地址，也将作为回复地址
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* headers 头部信息的数组
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* body 邮件的主体
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*/
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function send($params = array())
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{
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foreach ($params AS $key => $value)
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{
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$this->$key = $value;
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}
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if ($this->is_connected())
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{
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// 服务器是否需要验证
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if ($this->auth)
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{
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if (!$this->auth())
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{
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return false;
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}
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}
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$this->mail($this->from);
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if (is_array($this->recipients))
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{
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foreach ($this->recipients AS $value)
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{
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$this->rcpt($value);
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}
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}
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else
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{
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$this->rcpt($this->recipients);
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}
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if (!$this->data())
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{
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return false;
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}
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$headers = str_replace(CRLF . '.', CRLF . '..', trim(implode(CRLF, $this->headers)));
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$body = str_replace(CRLF . '.', CRLF . '..', $this->body);
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$body = substr($body, 0, 1) == '.' ? '.' . $body : $body;
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$this->send_data($headers);
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$this->send_data('');
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$this->send_data($body);
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$this->send_data('.');
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return (substr($this->get_data(), 0, 3) === '250');
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}
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else
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{
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$this->errors[] = 'Not connected!';
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return false;
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}
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}
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function helo()
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{
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if (is_resource($this->connection)
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AND $this->send_data('HELO ' . $this->helo)
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AND substr($error = $this->get_data(), 0, 3) === '250' )
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{
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return true;
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}
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else
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{
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$this->errors[] = 'HELO command failed, output: ' . trim(substr($error, 3));
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return false;
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}
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}
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function ehlo()
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{
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if (is_resource($this->connection)
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AND $this->send_data('EHLO ' . $this->helo)
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AND substr($error = $this->get_data(), 0, 3) === '250' )
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{
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return true;
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}
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else
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{
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$this->errors[] = 'EHLO command failed, output: ' . trim(substr($error, 3));
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return false;
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}
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}
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function auth()
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{
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if (is_resource($this->connection)
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AND $this->send_data('AUTH LOGIN')
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AND substr($error = $this->get_data(), 0, 3) === '334'
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AND $this->send_data(base64_encode($this->user)) // Send username
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AND substr($error = $this->get_data(),0,3) === '334'
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AND $this->send_data(base64_encode($this->pass)) // Send password
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AND substr($error = $this->get_data(),0,3) === '235' )
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{
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return true;
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}
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else
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{
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$this->errors[] = 'AUTH command failed: ' . trim(substr($error, 3));
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return false;
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}
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}
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function mail($from)
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{
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if ($this->is_connected()
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AND $this->send_data('MAIL FROM:<' . $from . '>')
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AND substr($this->get_data(), 0, 2) === '250' )
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{
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return true;
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}
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else
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{
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return false;
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}
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}
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function rcpt($to)
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{
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if ($this->is_connected()
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AND $this->send_data('RCPT TO:<' . $to . '>')
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AND substr($error = $this->get_data(), 0, 2) === '25')
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{
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return true;
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}
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else
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{
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$this->errors[] = trim(substr($error, 3));
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return false;
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}
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}
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function data()
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{
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if ($this->is_connected()
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AND $this->send_data('DATA')
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AND substr($error = $this->get_data(), 0, 3) === '354' )
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{
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return true;
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}
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else
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{
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$this->errors[] = trim(substr($error, 3));
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return false;
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}
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}
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function is_connected()
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{
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return (is_resource($this->connection) AND ($this->status === SMTP_STATUS_CONNECTED));
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}
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function send_data($data)
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{
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if (is_resource($this->connection))
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{
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return fwrite($this->connection, $data . CRLF, strlen($data) + 2);
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}
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else
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{
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return false;
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}
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}
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function get_data()
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{
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$return = '';
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$line = '';
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if (is_resource($this->connection))
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{
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while (strpos($return, CRLF) === false OR $line{3} !== ' ')
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{
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$line = fgets($this->connection, 512);
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$return .= $line;
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}
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return trim($return);
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}
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else
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{
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return '';
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}
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}
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/**
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* 获得最后一个错误信息
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*
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* @access public
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* @return string
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*/
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function error_msg()
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{
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if (!empty($this->errors))
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{
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$len = count($this->errors) - 1;
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return $this->errors[$len];
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}
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else
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{
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return '';
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}
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}
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}
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?>
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