php socket 使用smtp服务器发送邮件
-
-
-
-
-
- class 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 = false;
- $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 = "";
-
- $this->sock = false;
- }
-
- function sendmail($flag, $boundary, $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"){
-
- if($flag==2)
- {
- $header .= "content-type:multipart/mixed; boundary= $boundaryrn";
-
- }
- else
- {
- $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 $sent;
- }
-
- function smtp_send($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."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;
- }
- }
- }
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