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 "

"; <br>
            print_r($params); <br>
            print_r($send_params); <br>
            echo "