php学习笔记(三)之发送邮件01 关于class

php在发送邮件的时候需要借助一个class_smtp.php文件. 文件的代码如下: ?//发送邮件//user:cuiran//email:cuiran2001@163.comset_time_limit(120); class smtp{ /* Public Variables */ var $smtp_port; var $time_out; var $host_name; var $log_file; var

php在发送邮件的时候需要借助一个class_smtp.php文件.

文件的代码如下:

//发送邮件 //user:cuiran //email:cuiran2001@163.com set_time_limit(120); 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; var $sender; /* Private Variables */ var $sock; /* Constractor */ function smtp($relay_host = "", $smtp_port = 25,$auth = false,$user,$pass,$sender) { $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->sender = $sender; $this->host_name = "localhost"; //is used in HELO command $this->log_file = ""; $this->logs = ""; //记录跟服务器的交互过程 $this->sock = FALSE; } /* Main Function */ function sendmail($to, $from, $subject = "", $body = "", $mailtype, $cc = "", $bcc = "", $additional_headers = "") { $sent = TRUE; $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"; $header .= "From: ".$from."/r/n"; $header .= "Subject: ".$subject."/r/n"; $header .= $additional_headers; $header .= "Date: ".date("r")."/r/n"; $header .= "X-Mailer: 72e.net (PHP/".phpversion().")/r/n"; list($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))); } 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"); } return $sent; } /* Private Functions */ function smtp_send($helo, $from, $to, $header, $body = "") { if (!$this->smtp_putcmd("HELO", $helo)) { return $this->smtp_error("sending HELO command"); } #auth if($this->auth){ if (!$this->smtp_putcmd("AUTH LOGIN", base64_encode($this->user))) { return $this->smtp_error("sending AUTH command"); } if (!$this->smtp_putcmd("", base64_encode($this->pass))) { return $this->smtp_error("sending AUTH command"); } } # //if (!$this->smtp_putcmd("MAIL", "FROM:".$from."")) { if (!$this->smtp_putcmd("MAIL", "FROM:sender.">")) { 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 $this->smtp_error("sending <cr><lf>.<cr><lf> [EOM]"); } if (!$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, $header."/r/n".$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)); //echo "response=".$response."/r/n"; $this->smtp_debug($response."/n"); //echo "ereg 23 ==".ereg("^[23]", $response)."/n"; if (!ereg("^[23]", $response)) { //echo "@@@@@"; fputs($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"); //echo "cmd=".$cmd."/r/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->logs .= $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; } } } // end class ?> </lf></cr></lf></cr>