<?php
//从输入读取到所有的邮件内容
$email = \"\";
$fd = fopen(\"php://stdin\", \"r\");
while (!feof($fd)) {
 $email .= fread($fd, 1024);
}
fclose($fd);
//记录所有的内容，测试
file_put_contents(\"/tmp/mail/\".time(), $email);
//处理邮件
$lines = explode(\"\\n\", $email);
// empty vars
$from = \"\";
$date = \"\";
$subject = \"\";
$message = \"\";
$splittingheaders = true;
for ($i=0; $i<count($lines); $i++) {
 if ($splittingheaders) {
  // look out for special headers
  if (preg_match(\"/^Subject: (.*)/\", $lines[$i], $matches)) {
   $subject = $matches[1];
  }
  if (preg_match(\"/^From: (.*)/\", $lines[$i], $matches)) {
   if(strpos($lines[$i],\"<\")){
    //the name exist too in from header
    $data = explode(\'<\',$lines[$i]);
    $from = substr(trim($data[1]),0,-1);
   }else{
    //only the mail
    $from = $matches[1];
   }
  }
  if (preg_match(\"/^Date: (.*)/\", $lines[$i], $matches)) {
   $date = $matches[1];
  }
 } else {
  // not a header, but message
  $message .= $lines[$i].\"\\n\";
 }
 if (trim($lines[$i])==\"\") {
  // empty line, header section has ended
  $splittingheaders = false;
 }
}
$when = date(\"Y-m-d G:i:s\");
$data = explode(\'@\',$from);
$username = $data[0];
//记录到数据库
$sql = \"insert into mails ( `username`, `from`, `subject`, `date`, `message`) values ( \'$username\', \'$from\', \'$subject\', \'$when\', \'$message\')\";
//测试
file_put_contents(\"/tmp/mail2.log\", $sql);
?>