PHP发送邮件

<?php

/*

Created on 2011-11-28 by weikuang

*/

if(mail("welcomezhang@126.com", "伟匡测试","你好，这是伟匡测试mail函数的邮件")){

echo "支持mail()";

}else{

echo "发送失败";

}

?>

<?php

require_once ('email.class.php');

//类的实例化参数

$smtpserver = "smtp.126.com";//SMTP服务器

$smtpserverport =25;//SMTP服务器端口

$smtpuser = "welcomezhang@126.com";//SMTP服务器的用户帐号

$smtppass = "******";//SMTP服务器的用户密码

//sendmail参数

$mailfrom = "welcomezhang@126.com";//SMTP服务器的用户邮箱

$mailto = "welcomezhang@126.com";//发送给谁

$mailsubject = "伟匡测试PHP发送邮件";//邮件主题

$mailbody = "<h1> 这是一个测试程序 by 伟匡</h1>";//邮件内容

$mailtype = "HTML";//邮件格式（HTML/TXT）,TXT为文本邮件

//实例化

$smtp = new smtp($smtpserver,$smtpserverport,true,$smtpuser,$smtppass);//true表示使用身份验证,否则不使用身份验证.

$smtp->debug = True;//是否显示发送的调试信息

$smtp->sendmail($mailto, $mailfrom, $mailsubject, $mailbody, $mailtype);

?>

<?php

class smtp

{

/* Public Variables */

var $host_name;//主机名

var $smtp_port;//端口号

var $auth;//是否身份认证

var $user;//用户名

var $pass;//密码

var $time_out;//超时

var $log_file;

var $relay_host;

var $debug;//调试信息

/* Private Variables */

var $sock;

/* Constractor */

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; //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;

}

/* Main Function */

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(strtolower($mailtype)=="html"){  //优化之前的只能支持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");

}

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 (!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."<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['context'] = $image_data;

$filedata['filename']= basename($image_tag);

$extension=substr($image_tag,strrpos($image_tag,"."),strlen($image_tag)-strrpos($image_tag,"."));

switch($extension){

case ".gif":

$filedata['type'] = "image/gif";

break;

case ".gz":

$filedata['type'] = "application/x-gzip";

break;

case ".htm":

$filedata['type'] = "text/html";

break;

case ".html":

$filedata['type'] = "text/html";

break;

case ".jpg":

$filedata['type'] = "image/jpeg";

break;

case ".tar":

$filedata['type'] = "application/x-tar";

break;

case ".txt":

$filedata['type'] = "text/plain";

break;

case ".zip":

$filedata['type'] = "application/zip";

break;

default:

$filedata['type'] = "application/octet-stream";

break;

}

return $filedata;

}

}

?>