1. Put a forwarder on plvoice.org redirect to .us
Replace contents of index.php with: <?php header("Location: https://www.plvoice.us"); die();
2. Leave email as .org on Just Host forwarders only.
2.1 Create add-on domain 'plvoice.org' on KnowHost.
3. Test changing .us to sandbox.cyou
4. Change nameservers leaving domain name registration with Just Host.
5. Duplicate email forwarders on Knownhost
6. Once fully propagated, activate wordpress in .org.
7. Verify wordpress email spam protection
8. Wait a while, then delete content for plvoice.us and empty the db.