- 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 $this->smtp_error("sending <CR><LF>.<CR><LF> [EOM]");
- }
- if (!$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." ");
- $this->sock = @fsockopen($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 $address;//开源代码Vevb.com
- }
- function smtp_debug($message){
- if ($this->debug){
- echo $message;
- }
- }
- }
新闻热点
疑难解答