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malonesam 05-16-2007 11:28 AM
Linux and PHP mail() funtion
 
Hi:

I have been reading several docs on security issues with Linux/PHP. This site gave me some more pointers. I was wondering if I can get help in my PHP coding ....

I have a site where people could sign up for membership. After someone fills up the form on the sign up page and submits it, an email with the filled in info, is sent to me so that I can approve and activate the person after running some credential checks. As soon as I activate the person, an email is automatically sent to the user so that they can start loging in... the usual method found in most sites.

My website host has disabled my PHP mail() function and I have not been able to get a straight answer for 3 weeks, and now they have come back with a short, cryptic note saying that PHP suexec has been turned on and "I have to provide my user id in PHP coding" and then the PHP mail() function will work.

I am not sure where or how to do that - I mean, provide my user id in the PHP code. I can post the code here, if someone can help me..?

:confused:

zaichik 05-17-2007 09:53 AM
I found this mail function at http://us2.php.net/mail, perhaps it will help point you in the correct direction.

Code:
function mymail($to,$subject,$message,$headers)
{

  // set as global variable
  global $GLOBAL;
 
  // get From address
  if ( preg_match("/From:.*?[A-Za-z0-9\._%-]+\@[A-Za-z0-9\._%-]+.*/", $headers, $froms) ) {
      preg_match("/[A-Za-z0-9\._%-]+\@[A-Za-z0-9\._%-]+/", $froms[0], $fromarr);
      $from = $fromarr[0];
  }

  // Open an SMTP connection
  $cp = fsockopen ($GLOBAL["SMTP_SERVER"], $GLOBAL["SMTP_PORT"], &$errno, &$errstr, 1);
  if (!$cp)
  return "Failed to even make a connection";
  $res=fgets($cp,256);
  if(substr($res,0,3) != "220") return "Failed to connect";

  // Say hello...
  fputs($cp, "HELO ".$GLOBAL["SMTP_SERVER"]."\r\n");
  $res=fgets($cp,256);
  if(substr($res,0,3) != "250") return "Failed to Introduce";
 
  // perform authentication
  fputs($cp, "auth login\r\n");
  $res=fgets($cp,256);
  if(substr($res,0,3) != "334") return "Failed to Initiate Authentication";
 
  fputs($cp, base64_encode($GLOBAL["SMTP_USERNAME"])."\r\n");
  $res=fgets($cp,256);
  if(substr($res,0,3) != "334") return "Failed to Provide Username for Authentication";
 
  fputs($cp, base64_encode($GLOBAL["SMTP_PASSWORD"])."\r\n");
  $res=fgets($cp,256);
  if(substr($res,0,3) != "235") return "Failed to Authenticate";

  // Mail from...
  fputs($cp, "MAIL FROM: <$from>\r\n");
  $res=fgets($cp,256);
  if(substr($res,0,3) != "250") return "MAIL FROM failed";

  // Rcpt to...
  fputs($cp, "RCPT TO: <$to>\r\n");
  $res=fgets($cp,256);
  if(substr($res,0,3) != "250") return "RCPT TO failed";

  // Data...
  fputs($cp, "DATA\r\n");
  $res=fgets($cp,256);
  if(substr($res,0,3) != "354") return "DATA failed";

  // Send To:, From:, Subject:, other headers, blank line, message, and finish
  // with a period on its own line (for end of message)
  fputs($cp, "To: $to\r\nFrom: $from\r\nSubject: $subject\r\n$headers\r\n\r\n$message\r\n.\r\n");
  $res=fgets($cp,256);
  if(substr($res,0,3) != "250") return "Message Body Failed";

  // ...And time to quit...
  fputs($cp,"QUIT\r\n");
  $res=fgets($cp,256);
  if(substr($res,0,3) != "221") return "QUIT failed";

  return true;
}


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