Mail script solution

mail.php

<?php
if (isset($_POST)) {
    $email = $_POST['email'];
    $values = ['Name','Address','Phone','Email','BusinessType','Budget'];
    $required = ['Name','Address','Phone','Email','BusinessType','Budget'];
    $your_email = "[email protected]";
    $email_subject = "New Message: ".$_POST['subject'];
    $email_content = "new message:\n";

    foreach($values as $key => $value){
      if(in_array($value, $required)){
        if ($key != 'subject' && $key != 'company') {
          if( empty($_POST[$value]) ) {
              echo 'PLEASE FILL IN REQUIRED FIELDS';
              exit;
              }
          }
          $email_content .= $value.': '.$_POST[$value]."\n";
        }
      if(@mail($your_email, $email_subject, $email_content)) {
          echo 'Message sent!';
          break; // stops loop at this point
          return true;
      }
      else {
        echo 'ERROR!';
        return;
      }
} // end of loop
} else {
    // catch exceptions here
 }