PHPMailer Spamassassin Score

get_spam_score.php

<?

/**
 * Example how to use it in PHPMailer
 */

//once initiated PHPMAiler before you can get_spam_socre you need to execute preSend() since is the way to get the RAW email that will be sent.
$mail->preSend();
$spam_score = get_spam_score($mail->getSentMIMEMessage());
if ($spam_score >= 5 OR $spam_score === FALSE)
{
    echo "Please review your email. Got a Spam Score of " . $spam_score;
}

/**
 * returns the spam score of a raw email using api from postmarkapp
 * @param  string $raw_email entire RAW email with headers etc....
 * @return numeric/false            spam score or FALSE is something went wrong....
 */
function get_spam_score($raw_email)
{
  $ch = curl_init();
  curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
  curl_setopt($ch, CURLOPT_URL, 'http://spamcheck.postmarkapp.com/filter');
  curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query(array('email' => $raw_email,'options'=>'short')));
  curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
  curl_setopt($ch, CURLOPT_TIMEOUT, 15);

  $response = curl_exec($ch);

  //something went wrong with the request
  if(empty($response) || curl_error($ch) || curl_getinfo($ch, CURLINFO_HTTP_CODE) !== 200){
      curl_close($ch);
      return FALSE;
  }

  curl_close($ch);

  $score = json_decode($response);

  if ($score->success == TRUE AND is_numeric($score->score))
      return $score->score;
  else
      return FALSE;
}