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【www.gdgbn.com--邮件】
class smtp
{
/* Public Variables */
var $smtp_port;
var $time_out;
var $host_name;
var $log_file;
var $relay_host;
var $debug;
var $auth;
var $user;
var $pass;
/* 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; //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 = "";
$this->sock = FALSE;
}
/* Main Function */
function sendmail($to, $from ,$fromname, $subject = "", $body = "", $mailtype, $cc = "", $bcc = "", $additional_headers = ""){
$mail_from = $this->get_address($this->strip_comment($from));
$body = ereg_replace("(^|( ))(.)", ".", $body);
$header .= "MIME-Version:1.0 ";
if($mailtype=="HTML"){
$header .= "Content-Type:text/html;charset=utf-8 ";
}
$header .= "To: ".$to." ";
if ($cc != ""){
$header .= "Cc: ".$cc." ";
}
$header .= "From: $fromname<".$fromname."> ";
$header .= "Subject: ".$subject." ";
$header .= $additional_headers;
$header .= "Date: ".date("r")." ";
$header .= "X-Mailer:By Redhat (PHP/".php教程version().") ";
list($msec, $sec) = explode(" ", microtime());
$header .= "Message-ID: <".date("YmdHis", $sec).".".($msec*1000000).".".$mail_from."> ";
$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." ");
$sent = FALSE;
continue;
}
if ($this->smtp_send($this->host_name, $mail_from, $rcpt_to, $header, $body)){
$this->log_write("E-mail has been sent to <".$rcpt_to."> ");
}else{
$this->log_write("Error: Cannot send email to <".$rcpt_to."> ");
$sent = FALSE;
}
fclose($this->sock);
$this->log_write("Disconnected from remote host ");
}
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 $this->smtp_error("sending
}
if (!$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." ");
$this->sock = @fsockopen($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." ");
$this->log_write("Error: ".$errstr." (".$errno.") ");
return FALSE;
}
$this->log_write("Connected to relay host ".$this->relay_host." ");
return TRUE;;
}
function smtp_sockopen_mx($address){
$domain = ereg_replace("^.+@([^@]+)$", "", $address);
if (!@getmxrr($domain, $MXHOSTS)){
$this->log_write("Error: Cannot resolve MX "".$domain."" ");
return FALSE;
}
foreach ($MXHOSTS as $host){
$this->log_write("Trying to ".$host.":".$this->smtp_port." ");
$this->sock = @fsockopen($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." ");
$this->log_write("Error: ".$errstr." (".$errno.") ");
continue;
}
$this->log_write("Connected to mx host ".$host." ");
return TRUE;
}
$this->log_write("Error: Cannot connect to any mx hosts (".implode(", ", $MXHOSTS).") ");
return FALSE;
}
function smtp_message($header, $body){
fputs($this->sock, $header." ".$body);
$this->smtp_debug("> ".str_replace(" ", " "."> ", $header." > ".$body." > "));
return TRUE;
}
function smtp_eom(){
fputs($this->sock, " . ");
$this->smtp_debug(". [EOM] ");
return $this->smtp_ok();
}
function smtp_ok(){
$response = str_replace(" ", "", fgets($this->sock, 512));
$this->smtp_debug($response." ");
if (!ereg("^[23]", $response)){
fputs($this->sock, "QUIT ");
fgets($this->sock, 512);
$this->log_write("Error: Remote host returned "".$response."" ");
return FALSE;
}
return TRUE;
}
function smtp_putcmd($cmd, $arg = ""){
if($arg != ""){
if($cmd==""){
$cmd = $arg;
}
else{
$cmd = $cmd." ".$arg;
}
}
fputs($this->sock, $cmd." ");
$this->smtp_debug("> ".$cmd." ");
return $this->smtp_ok();
}
function smtp_error($string){
$this->log_write("Error: Error occurred while ".$string.". ");
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."" ");
return FALSE;;
}
flock($fp, LOCK_EX);
fputs($fp, $message);
fclose($fp);
return TRUE;
}
function strip_comment($address){//去除"()"
$comment = "([^()]*)";
while (ereg($comment, $address)){
$address = ereg_replace($comment, "", $address);
}
return $address;
}
function get_address($address){
$address = ereg_replace("([ ])+", "", $address);// 制表符 回车符 换行符 +匹配前面的子表达式一次或多次
$address = ereg_replace("^.*<(.+)>.*$", "", $address);
return $address;
}
function smtp_debug($message){
if ($this->debug){
echo $message;
}
}
}