wmdeit_kaform/config.sample.php

<?php
$CONVERT_CMD = "/usr/local/bin/pdftk";

$mailHost = 'mailserver.example.com';                 // Specify main and backup server
$mailPort = 587;                                    // Set the SMTP port
$mailSMTPAuth = true;                               // Enable SMTP authentication
$mailUsername = 'mailuser';                // SMTP username
$mailPassword = 'mailpasswd';                  // SMTP password
$mailSMTPSecure = 'tls';                            // Enable encryption, 'ssl' also accepted