郵件發送php類

<?php
class smtp
{


var $smtp_port;
var $time_out;
var $host_name;
var $log_file;
var $relay_host;
var $debug;
var $auth;
var $user;
var $pass;

var $sock;

/**
 *
 * Enter description here ...
 * @param unknown_type $relay_host
 * @param unknown_type $smtp_port
 * @param unknown_type $auth
 * @param unknown_type $user
 * @param unknown_type $pass
 */
function smtp($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->log_file = "";
    $this->sock = FALSE;
}

/**
 *
 * Enter description here ...
 * @param unknown_type $to
 * @param unknown_type $from
 * @param unknown_type $subject
 * @param unknown_type $body
 * @param unknown_type $mailtype
 * @param unknown_type $cc
 * @param unknown_type $bcc
 * @param unknown_type $additional_headers
 */
function sendmail($to, $from, $subject = "", $body = "", $mailtype, $cc = "", $bcc = "", $additional_headers = "")
{
    $mail_from = $this->get_address($this->strip_comment($from));
    $body = ereg_replace("(^|(\r\n))(\\.)", "\\1.\\3", $body);
    $header .= "MIME-Version:1.0\r\n";
    if($mailtype=="HTML"){
        $header .= "Content-Type:text/html\r\n";
    }
    $header .= "To: ".$to."\r\n";
    if ($cc != "") {
        $header .= "Cc: ".$cc."\r\n";
    }
    $header .= "From: $from<".$from.">;\r\n";
    $header .= "Subject: ".$subject."\r\n";
    $header .= $additional_headers;
    $header .= "Date: ".date("r")."\r\n";
    $header .= "X-Mailer:By Redhat (PHP/".phpversion().")\r\n";
    list($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)));
    }
    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");
    }
    return $sent;
}

/**
 *
 * Enter description here ...
 * @param unknown_type $helo
 * @param unknown_type $from
 * @param unknown_type $to
 * @param unknown_type $header
 * @param unknown_type $body
 */
function smtp_send($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 (!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)
{
    $comment = "\\([^()]*\\)";
    while (ereg($comment, $address)) {
        $address = ereg_replace($comment, "", $address);
    }
    return $address;
}
function get_address($address)
{
    $address = ereg_replace("([ \t\r\n])+", "", $address);
    $address = ereg_replace("^.*<(.+)>;.*$", "\\1", $address);
    return $address;
}
function smtp_debug($message)
{
    if ($this->debug) {
        echo $message;
    }
}

}
/*
 

Enter description here ...
@param unknown_type $smtpserver
@param unknown_type $smtpuser
@param unknown_type $smtppass
@param unknown_type $smtpemailto
@param unknown_type $smtpusermail
@param unknown_type $mailsubject
@param unknown_type $mailbody
*/
function sendmail($smtpserver,$smtpuser,$smtppass,$smtpemailto,$smtpusermail, $mailsubject, $mailbody){
 $smtp = new smtp($smtpserver,25,true,$smtpuser,$smtppass);
 //$smtp->debug = TRUE;
 $smtp->sendmail($smtpemailto, $smtpusermail, $mailsubject, $mailbody, "HTML");
}

//調用方法
//sendmail("smtp.126.com","test@126.com","password","open@qq.com","test@126.com","title","body");
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