Better handling of badly addressed packets for netmails

app/Models/Netmail.php

@@ -46,6 +46,12 @@ final class Netmail extends Model implements Packet
 	public function __get($key)
 	{
 		switch ($key) {
+			case 'get_fftn':
+				return $this->set->get('set_fftn') ?: $this->fftn->ftn;
+
+			case 'get_tftn':
+				return $this->set->get('set_tftn') ?: $this->tftn->ftn;
+
 			case 'set_fftn':
 			case 'set_tftn':
 			case 'set_path':