功能强大的PHP发邮件类

本文示例为大家分享了强大的PHP发邮件类，供大家参考，具体内容如下

<?phpclass smtp{var $smtp_port;var $time_out;var $host_name;var $log_file;var $relay_host;var $debug;var $auth;var $user;var $pass;var $sock;function smtp($relay_host = "", $smtp_port = 25,$auth = false,$user,$pass){$this->debug = true;$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: $from<".$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 "<br>";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:<".$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)) <b style="color:transparent">本文来源gao@!dai!ma.com搞$$代^@码!网!</b><strong>搞gaodaima代码</strong>{$this->log_write("Error: Cannot resolve MX \"".$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 $filedata;}}  /***实例化邮件类*/$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 = "[email protected]";         //SMTP服务器的用户帐号$smtppass = "123147mcl";                 //SMTP服务器的用户密码$mailsubject = "PHP100测试邮件系统";        //邮件主题$mailbody = "<h1>你的用户名是张三，密码是123147mcl </h1>";      //邮件内容$mailtype = "HTML";                      //邮件格式（HTML/TXT）,TXT为文本邮件$smtp = new smtp($smtpserver,$smtpserverport,true,$smtpuser,$smtppass);$smtp->debug = true;                     //是否显示发送的调试信息$smtp->sendmail($smtpemailto, $smtpusermail, $mailsubject, $mailbody, $mailtype); ?>

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