debug = true;$this->smtp_port = $smtp_port;$this->relay_host = $relay_host;$this->time_out = 30; $this->auth = $auth;$this->user = $user;$this->pass = $pass;$this->host_name = localhost; $this->log_file =;$this->sock = false;} 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: $from\r\n;$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: \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 \n);} else {$this->log_write(error: cannot send email to \n);$sent = false;}fclose($this->sock);$this->log_write(disconnected from remote host\n);}echo
;echo $header;return $sent;} /* private functions */ function smtp_send($helo, $from, $to, $header, $body = ){if (!$this->smtp_putcmd(helo, $helo)) {return $this->smtp_error(sending helo command);}#authif($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:)) {return $this->smtp_error(sending mail from command);} if (!$this->smtp_putcmd(rcpt, 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 $this->smtp_error(sending . [eom]);} if (!$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 $message.
;}} function get_attach_type($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 $filedata;} }?> debug = true;//是否显示发送的调试信息$smtp->sendmail($smtpemailto, $smtpusermail, $mailsubject, $mailbody, $mailtype);?>
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