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php的smtp类

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发布： 2016-05-25 17:01:51
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php的smtp类          

<?php
class smtp
{
    /* Public Variables */
    var $smtp_port; //smtp_port 端口号
    var $time_out;
    var $host_name; //服务器主机名
    var $log_file;
    var $relay_host; //服务器主机地址
    var $debug;
    var $auth; //验证
    var $user; //服务器用户名
    var $pass; //服务器密码
    
    /* Private Variables */
    var $sock;
    
    /* Constractor 构造方法*/
    function smtp($relay_host = "", $smtp_port = 25, $auth = false, $user, $pass)
    {
        $this->debug      = FALSE;
        $this->smtp_port  = $smtp_port;
        $this->relay_host = $relay_host;
        $this->time_out   = 30; //is used in fsockopen()
        #
        $this->auth       = $auth; //auth
        $this->user       = $user;
        $this->pass       = $pass;
        #
        $this->host_name  = "localhost"; //is used in HELO command
        // $this->host_name = "smtp.163.com"; //is used in HELO command
        $this->log_file   = "";
        
        $this->sock = FALSE;
    }
    
    /* Main Function */
    function sendmail($to, $from, $subject = "", $body = "", $mailtype, $cc = "", $bcc = "", $additional_headers = "")
    {
        $header    = "";
        $mail_from = $this->get_address($this->strip_comment($from));
        $body      = mb_ereg_replace("(^|(\r\n))(\\.)", "\\1.\\3", $body);
        $header .= "MIME-Version:1.0\r\n";
        if ($mailtype == "HTML") { //邮件发送类型
            //$header .= "Content-Type:text/html\r\n";
            $header .= &#39;Content-type: text/html; charset=utf-8&#39; . "\r\n";
        }
        $header .= "To: " . $to . "\r\n";
        if ($cc != "") {
            $header .= "Cc: " . $cc . "\r\n";
        }
        $header .= "From: " . $from . "\r\n";
        // $header .= "From: $from<".$from.">\r\n";	//这里只显示邮箱地址，不够人性化
        $header .= "Subject: " . $subject . "\r\n";
        $header .= $additional_headers;
        $header .= "Date: " . date("r") . "\r\n";
        $header .= "X-Mailer:By (PHP/" . phpversion() . ")\r\n";
        list($msec, $sec) = explode(" ", microtime());
        $header .= "Message-ID: <" . date("YmdHis", $sec) . "." . ($msec * 1000000) . "." . $mail_from . ">\r\n";
        $TO = explode(",", $this->strip_comment($to));
        
        if ($cc != "") {
            $TO = array_merge($TO, explode(",", $this->strip_comment($cc))); //合并一个或多个数组
        }
        
        if ($bcc != "") {
            $TO = array_merge($TO, explode(",", $this->strip_comment($bcc)));
        }
        
        $sent = TRUE;
        foreach ($TO as $rcpt_to) {
            $rcpt_to = $this->get_address($rcpt_to);
            if (!$this->smtp_sockopen($rcpt_to)) {
                $this->log_write("Error: Cannot send email to " . $rcpt_to . "\n");
                $sent = FALSE;
                continue;
            }
            if ($this->smtp_send($this->host_name, $mail_from, $rcpt_to, $header, $body)) {
                $this->log_write("E-mail has been sent to <" . $rcpt_to . ">\n");
            } else {
                $this->log_write("Error: Cannot send email to <" . $rcpt_to . ">\n");
                $sent = FALSE;
            }
            fclose($this->sock);
            $this->log_write("Disconnected from remote host\n");
        }
        echo "<br>";
        //echo $header;
        return $sent;
    }
    
    /* Private Functions */
    
    function smtp_send($helo, $from, $to, $header, $body = "")
    {
        if (!$this->smtp_putcmd("HELO", $helo)) {
            return $this->smtp_error("sending HELO command");
        }
        #auth
        if ($this->auth) {
            if (!$this->smtp_putcmd("AUTH LOGIN", base64_encode($this->user))) {
                return $this->smtp_error("sending HELO command");
            }
            
            if (!$this->smtp_putcmd("", base64_encode($this->pass))) {
                return $this->smtp_error("sending HELO command");
            }
        }
        #
        if (!$this->smtp_putcmd("MAIL", "FROM:<" . $from . ">")) {
            return $this->smtp_error("sending MAIL FROM command");
        }
        
        if (!$this->smtp_putcmd("RCPT", "TO:<" . $to . ">")) {
            return $this->smtp_error("sending RCPT TO command");
        }
        
        if (!$this->smtp_putcmd("DATA")) {
            return $this->smtp_error("sending DATA command");
        }
        
        if (!$this->smtp_message($header, $body)) {
            return $this->smtp_error("sending message");
        }
        
        if (!$this->smtp_eom()) {
            return $this->smtp_error("sending <CR><LF>.<CR><LF> [EOM]");
        }
        
        if (!$this->smtp_putcmd("QUIT")) {
            return $this->smtp_error("sending QUIT command");
        }
        
        return TRUE;
    }
    
    function smtp_sockopen($address)
    {
        if ($this->relay_host == "") {
            return $this->smtp_sockopen_mx($address);
        } else {
            return $this->smtp_sockopen_relay();
        }
    }
    
    function smtp_sockopen_relay()
    {
        $this->log_write("Trying to " . $this->relay_host . ":" . $this->smtp_port . "\n");
        $this->sock = @fsockopen($this->relay_host, $this->smtp_port, $errno, $errstr, $this->time_out);
        if (!($this->sock && $this->smtp_ok())) {
            $this->log_write("Error: Cannot connenct to relay host " . $this->relay_host . "\n");
            $this->log_write("Error: " . $errstr . " (" . $errno . ")\n");
            return FALSE;
        }
        $this->log_write("Connected to relay host " . $this->relay_host . "\n");
        return TRUE;
        ;
    }
    
    function smtp_sockopen_mx($address)
    {
        $domain = ereg_replace("^.+@([^@]+)$", "\\1", $address);
        if (!@getmxrr($domain, $MXHOSTS)) {
            $this->log_write("Error: Cannot resolve MX \"" . $domain . "\"\n");
            return FALSE;
        }
        foreach ($MXHOSTS as $host) {
            $this->log_write("Trying to " . $host . ":" . $this->smtp_port . "\n");
            $this->sock = @fsockopen($host, $this->smtp_port, $errno, $errstr, $this->time_out);
            if (!($this->sock && $this->smtp_ok())) {
                $this->log_write("Warning: Cannot connect to mx host " . $host . "\n");
                $this->log_write("Error: " . $errstr . " (" . $errno . ")\n");
                continue;
            }
            $this->log_write("Connected to mx host " . $host . "\n");
            return TRUE;
        }
        $this->log_write("Error: Cannot connect to any mx hosts (" . implode(", ", $MXHOSTS) . ")\n");
        return FALSE;
    }
    
    function smtp_message($header, $body)
    {
        fputs($this->sock, $header . "\r\n" . $body);
        $this->smtp_debug("> " . str_replace("\r\n", "\n" . "> ", $header . "\n> " . $body . "\n> "));
        
        return TRUE;
    }
    
    function smtp_eom()
    {
        fputs($this->sock, "\r\n.\r\n");
        $this->smtp_debug(". [EOM]\n");
        
        return $this->smtp_ok();
    }
    
    function smtp_ok()
    {
        $response = str_replace("\r\n", "", fgets($this->sock, 512));
        $this->smtp_debug($response . "\n");
        
        if (!mb_ereg("^[23]", $response)) {
            fputs($this->sock, "QUIT\r\n");
            fgets($this->sock, 512);
            $this->log_write("Error: Remote host returned \"" . $response . "\"\n");
            return FALSE;
        }
        return TRUE;
    }
    
    function smtp_putcmd($cmd, $arg = "")
    {
        if ($arg != "") {
            if ($cmd == "")
                $cmd = $arg;
            else
                $cmd = $cmd . " " . $arg;
        }
        
        fputs($this->sock, $cmd . "\r\n");
        $this->smtp_debug("> " . $cmd . "\n");
        
        return $this->smtp_ok();
    }
    
    function smtp_error($string)
    {
        $this->log_write("Error: Error occurred while " . $string . ".\n");
        return FALSE;
    }
    
    function log_write($message)
    {
        $this->smtp_debug($message);
        
        if ($this->log_file == "") {
            return TRUE;
        }
        
        $message = date("M d H:i:s ") . get_current_user() . "[" . getmypid() . "]: " . $message;
        if (!@file_exists($this->log_file) || !($fp = @fopen($this->log_file, "a"))) {
            $this->smtp_debug("Warning: Cannot open log file \"" . $this->log_file . "\"\n");
            return FALSE;
        }
        flock($fp, LOCK_EX);
        fputs($fp, $message);
        fclose($fp);
        
        return TRUE;
    }
    
    function strip_comment($address)
    {
        $comment = "\\([^()]*\\)";
        while (mb_ereg($comment, $address)) {
            $address = mb_ereg_replace($comment, "", $address);
        }
        
        return $address;
    }
    
    function get_address($address)
    {
        $address = mb_ereg_replace("([ \t\r\n])+", "", $address);
        $address = mb_ereg_replace("^.*<(.+)>.*$", "\\1", $address);
        
        return $address;
    }
    
    function smtp_debug($message)
    {
        if ($this->debug) {
            echo $message . "<br>";
        }
    }
    
    function get_attach_type($image_tag) //
    {
        
        $filedata = array();
        
        $img_file_con = fopen($image_tag, "r");
        unset($image_data);
        while ($tem_buffer = AddSlashes(fread($img_file_con, filesize($image_tag))))
            $image_data .= $tem_buffer;
        fclose($img_file_con);
        
        $filedata[&#39;context&#39;]  = $image_data;
        $filedata[&#39;filename&#39;] = basename($image_tag);
        $extension            = substr($image_tag, strrpos($image_tag, "."), strlen($image_tag) - strrpos($image_tag, "."));
        switch ($extension) {
            case ".gif":
                $filedata[&#39;type&#39;] = "image/gif";
                break;
            case ".gz":
                $filedata[&#39;type&#39;] = "application/x-gzip";
                break;
            case ".htm":
                $filedata[&#39;type&#39;] = "text/html";
                break;
            case ".html":
                $filedata[&#39;type&#39;] = "text/html";
                break;
            case ".jpg":
                $filedata[&#39;type&#39;] = "image/jpeg";
                break;
            case ".tar":
                $filedata[&#39;type&#39;] = "application/x-tar";
                break;
            case ".txt":
                $filedata[&#39;type&#39;] = "text/plain";
                break;
            case ".zip":
                $filedata[&#39;type&#39;] = "application/zip";
                break;
            default:
                $filedata[&#39;type&#39;] = "application/octet-stream";
                break;
        }
        
        
        return $filedata;
    }
    
}
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2. [文件] email.demo.php

<?php
require &#39;email.class.php&#39;;

$mailto=&#39;13800000000@139.com&#39;;  //收件人
$subject="测试邮件"; //邮件主题
$body=date(&#39;时间：Y年m月d日   H:i:s&#39;);  //邮件内容
sendmailto($mailto,$subject,$body);
echo "finish".date(&#39;时间：Y年m月d日   H:i&#39;);


function sendmailto($mailto, $mailsub, $mailbd)
{
    //require_once (&#39;email.class.php&#39;);
    //##########################################
    $smtpserver     = "smtp.163.com"; //SMTP服务器
    $smtpserverport = 25; //SMTP服务器端口
    $smtpusermail   = "提醒 <mservice@163.com>"; //SMTP服务器的用户邮箱
    $smtpemailto    = $mailto;
    $smtpuser       = "mservice@163.com"; //SMTP服务器的用户帐号
    $smtppass       = "12345678"; //SMTP服务器的用户密码
    $mailsubject    = $mailsub; //邮件主题
    $mailsubject    = "=?UTF-8?B?" . base64_encode($mailsubject) . "?="; //防止乱码
    $mailbody       = $mailbd; //邮件内容
    //$mailbody = "=?UTF-8?B?".base64_encode($mailbody)."?="; //防止乱码
    $mailtype       = "HTML"; //邮件格式（HTML/TXT）,TXT为文本邮件. 139邮箱的短信提醒要设置为HTML才正常
    ##########################################
    $smtp           = new smtp($smtpserver, $smtpserverport, true, $smtpuser, $smtppass); //这里面的一个true是表示使用身份验证,否则不使用身份验证.
    $smtp->debug    = FALSE; //是否显示发送的调试信息
    $smtp->sendmail($smtpemailto, $smtpusermail, $mailsubject, $mailbody, $mailtype);
    
}
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