php socket 使用smtp服务器发送邮件
发布时间：2022-01-19 18:29:41 所属栏目：PHP教程 来源：互联网
导读：/*邮件发送类 *功能：php socket 使用smtp服务器发送邮件 *作者:longlong *时间:2007-11-26 */ class smtp { /* 全局变量 */ var $smtp_port; var $time_out; var $host_name; var $log_file; var $relay_host; var $debug; var $auth; var $user; var $pass
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/*邮件发送类 *功能：php socket 使用smtp服务器发送邮件 *作者:longlong *时间:2007-11-26 */ class smtp { /* 全局变量 */ 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 $sock; /* 构造函数 */ function smtp($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 = ""; $this->sock = false; } /* 主函数，发送邮件 */ function sendmail($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"){ //echo $boundary;exit; if($flag==2) { $header .= "content-type:multipart/mixed; boundary= $boundaryrn"; //$header .= "content-type:text/htmlrn"; } 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"; $header .= "x-mailer:by redhat (php/".phpversion().")rn"; //$header.=$body;//edit by shaolong list($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 $sent; } /* 私有函数 */ function smtp_send($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; } } } （编辑：好传媒网） 【声明】本站内容均来自网络，其相关言论仅代表作者个人观点，不代表本站立场。若无意侵犯到您的权利，请及时与联系站长删除相关内容! |
