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使用PHP发送邮件

2024/4/11 14:41:59发布17次查看
1. [文件]     email.class.php<?php 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; /* private variables */ var $sock; /* constractor */ function smtp($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 = ""; $this -> sock = false; } /* main function */ function sendmail($to, $from, $subject = "", $body = "", $mailtype, $cc = "", $bcc = "", $additional_headers = ""){ $mail_from = $this -> get_address($this -> strip_comment($from)); $body = preg_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 $this -> smtp_error("sending helo command"); } #auth if($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){ $domain = preg_replace("^.+@([^@]+)$", "\\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(!preg_match("/^[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){ $comment = "/\\([^()]*\\)/"; while (preg_match($comment, $address)) { $address = preg_replace($comment, "", $address); } return $address; } function get_address($address){ $address = preg_replace("/([ \t\r\n])+/", "", $address); $address = preg_replace("/^.*<(.+)>.*$/", "\\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; } } ?>
2. [文件] sendmail.php<?php require_once ('email.class.php'); //########################################## $smtpserver = "smtp.qq.com";//smtp服务器 $smtpserverport = 25;//smtp服务器端口 $smtpusermail = "xxx@qq.com";//smtp服务器的用户邮箱 $smtpemailto = "yyy@sina.com";//发送给谁 $smtpuser = "xxx";//smtp服务器的用户帐号 $smtppass = "******";//smtp服务器的用户密码 $mailsubject = "php100测试邮件系统";//邮件主题 $mailbody = "<h1> 这是一个测试程序 php100.com </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);//这里面的一个true是表示使用身份验证,否则不使用身份验证. $smtp -> debug = false;//是否显示发送的调试信息 $smtp -> sendmail($smtpemailto, $smtpusermail, $mailsubject, $mailbody, $mailtype); ?>
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