php发送邮件方法二1.(SMTP传输SMTP类)_PHP教程

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

class p8_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 p8_smtp($params = array())
{
if(!defined('CRLF')) define('CRLF', "\r\n", TRUE);

$this->timeout = 5;
$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))
{
$obj = new p8_smtp($params);

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

$this->connection = fsockopen($this->host, $this->port, $errno, $errstr, $this->timeout);
socket_set_timeout($this->connection, 0, 250000);
$greeting = $this->get_data();

if(is_resource($this->connection))
{
$this->status = 2;
return $this->auth ? $this->ehlo() : $this->helo();
}
else
{
$this->errors[] = 'Failed to connect to server: '.$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)
{
$this->set($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 = $body[0] == '.' ? '.'.$body : $body;
$this->send_data($headers);
$this->send_data('');
$this->send_data($body);
$this->send_data('.');
return (substr(trim($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(trim($error = $this->get_data()), 0, 3) === '250' )
{
return TRUE;
}
else
{
$this->errors[] = 'HELO command failed, output: ' . trim(substr(trim($error),3));
return FALSE;
}
}


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

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

function mail($from)
{
if($this->is_connected()
AND $this->send_data('MAIL FROM:')
AND substr(trim($this->get_data()), 0, 2) === '250' )
{
return TRUE;
}
else
{
return FALSE;
}
}
function rcpt($to)
{
if($this->is_connected()
AND $this->send_data('RCPT TO:')
AND substr(trim($error = $this->get_data()), 0, 2) === '25' )
{
return TRUE;
}
else
{
$this->errors[] = trim(substr(trim($error), 3));
return FALSE;
}
}
function data()
{
if($this->is_connected()
AND $this->send_data('DATA')
AND substr(trim($error = $this->get_data()), 0, 3) === '354' )
{
return TRUE;
}
else
{
$this->errors[] = trim(substr(trim($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($return, CRLF) === FALSE OR substr($line,3,1) !== ' ')
{
$line = fgets($this->connection, 512);
$return .= $line;
}
return $return;
}
else
{
return FALSE;
}
}
function set($var, $value)
{
$this->$var = $value;
return TRUE;
}
} // End of class



class smtp
{
var $debug;
var $host;
var $port;
var $auth;
var $user;
var $pass;

function smtp($host = "", $port = 25,$auth = false,$user,$pass){
$this->host=$host;
$this->port=$port;
$this->auth=$auth;
$this->user=$user;
$this->pass=$pass;
}

function sendmail($to,$from, $subject, $content, $T=0){
global $webdb;
//$name, $email, $subject, $content, $type=0
$type=1;
$name=array("{$webdb[webname]}会员");
$email=array($to);
$_CFG['smtp_host']= $this->host;
$_CFG['smtp_port']= $this->port;
$_CFG['smtp_user']= $this->user;
$_CFG['smtp_pass']= $this->pass;
$_CFG['name']= $webdb[webname];
$_CFG['smtp_mail']= $from;

//$name = "=?UTF-8?B?".base64_encode($name)."==?=";
$subject = "=?gbk?B?".base64_encode($subject)."==?=";
$content = base64_encode($content);
$headers[] = "To:=?gbk?B?".base64_encode($name[0])."?= ";
$headers[] = "From:=?gbk?B?".base64_encode($_CFG[name])."?= ";
$headers[] = "MIME-Version: Blueidea v1.0";
$headers[] = "X-Mailer: 9gongyu Mailer v1.0";
//$headers[] = "From:=?UTF-8?B?".base64_encode($_CFG['shop_name'])."==?=";
$headers[] = "Subject:$subject";
$headers[] = ($type == 0) ? "Content-Type: text/plain; charset=gbk; format=flowed" : "Content-Type: text/html; charset=gbk; format=flowed";
$headers[] = "Content-Transfer-Encoding: base64";
$headers[] = "Content-Disposition: inline";
// SMTP 服务器信息
$params['host'] = $_CFG['smtp_host'];
$params['port'] = $_CFG['smtp_port'];
$params['user'] = $_CFG['smtp_user'];
$params['pass'] = $_CFG['smtp_pass'];
if (empty($params['host']) || empty($params['port']))
{
// 如果没有设置主机和端口直接返回 false
return false;
}
else
{
// 发送邮件
$send_params['recipients'] = $email;
$send_params['headers'] = $headers;
$send_params['from'] = $_CFG['smtp_mail'];
$send_params['body'] = $content;
/*
echo "

"; 

            print_r($params); 

            print_r($send_params); 

            echo "

";
exit;
*/
$smtp = new p8_smtp($params);
if($smtp->connect() AND $smtp->send($send_params))
{
return TRUE;
}
else
{
return FALSE;
} // end if
}
}
}

?>
作者：Vericlongmore