谁有PHP用SMTP发送邮件的类？要支持SMTP验证！

<?php
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, $subject = "", $body = "", $mailtype, $cc = "", $bcc = "", $additional_headers = "")
{$mail_from = $this->get_address($this->strip_comment($from));$body = ereg_replace("(^|(rn))(.)", "1.3", $body);$header = "MIME-Version:1.0rn";if($mailtype=="HTML"){$header .= "Content-Type:text/htmlrn";}$header .= "To: ".$to."rn";if ($cc != "") {$header .= "Cc: ".$cc."rn";}$header .= "From: $from<".$from.">rn";$header .= "Subject: ".$subject."rn";$header .= $additional_headers;$header .= "Date: ".date("r")."rn";$header .= "X-Mailer:By Redhat (PHP/".phpversion().")rn";list($msec, $sec) = explode(" ", microtime());$header .= "Message-ID: <".date("YmdHis", $sec).".".($msec*1000000).".".$mail_from.">rn";$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 hostn");}return $sent;}/* Private Functions */function smtp_send($helo, $from, $to, $header, $body = ""){if (!$this->smtp_putcmd("HELO", $helo)) {return $this->smtp_error("sending HELO command");}#authif($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, $header."rn".$body);$this->smtp_debug("> ".str_replace("rn", "n"."> ", $header."n> ".$body."n> "));return TRUE;}function smtp_eom(){fputs($this->sock, "rn.rn");$this->smtp_debug(". [EOM]n");return $this->smtp_ok();}function smtp_ok(){$response = str_replace("rn", "", fgets($this->sock, 512));$this->smtp_debug($response."n");if (!ereg("^[23]", $response)) {fputs($this->sock, "QUITrn");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, $cmd."rn");$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("([ trn])+", "", $address);$address = ereg_replace("^.*<(.+)>.*$", "1", $address);return $address;}function smtp_debug($message){if ($this->debug) {echo $message;}}}?>
上面这个类的用法
CODE:[Copy to clipboard]<?php
require("smtp.php");##########################################$smtpserver = "smtp.163.com";//SMTP服务器$smtpserverport =25;//SMTP服务器端口$smtpusermail = "[email protected]";//SMTP服务器的用户邮箱$smtpemailto = "[email protected]";//发送给谁$smtpuser = "xxx";//SMTP服务器的用户帐号$smtppass = "xxxxxxx";//SMTP服务器的用户密码$mailsubject = "Test Subject";//邮件主题$mailbody = "<h1>你是猪啊？</h1>";//邮件内容$mailtype = "HTML";//邮件格式（HTML/TXT）,TXT为文本邮件##########################################$smtp = new smtp($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 = TRUE;//是否显示发送的调试信息$smtp->sendmail($smtpemailto, $smtpusermail, $mailsubject, $mailbody, $mailtype);?>