php开发SMTP传输SMTP类发送邮件方法(1)

<?phpdefine('SMTP_STATUS_NOT_CONNECTED', 1, TRUE);define('SMTP_STATUS_CONNECTED', 2, TRUE);html' target='_blank'>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     * www.it165.net     */        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 $this->send_data('MAIL FROM:<'.$from.'>')            AND substr(trim($this->get_data()), 0, 2) === '250' )        {            return TRUE;        }        else        {            return FALSE;        }    }    function rcpt($to)    {        if($this->is_connected()            AND $this->send_data('RCPT TO:<'.$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 classclass 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])."?= <$email[0]>";		$headers[] = "From:=?gbk?B?".base64_encode($_CFG[name])."?= <$_CFG[smtp_mail]>";		$headers[] = "MIME-Version: Blueidea v1.0";		$headers[] = "X-Mailer: 9gongyu Mailer v1.0";		//$headers[] = "From:=?UTF-8?B?".base64_encode($_CFG['shop_name'])."==?=<$_CFG[smtp_mail]>";		$headers[] = "Subject:$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']        = $content;			/*        			echo "<pre>";			print_r($params);			print_r($send_params);			echo "</pre>";			exit;			*/			$smtp = new p8_smtp($params);			if($smtp->connect() AND $smtp->send($send_params))			{				return TRUE;			}			else 			{				return FALSE;			} // end if		}	}}?>

郑重声明：本文版权归原作者所有，转载文章仅为传播更多信息之目的，如作者信息标记有误，请第一时间联系我们修改或删除，多谢。