Missing PDF faxes in /var/spool/asterisk/fax Asterisk 3.0.0

Where are PDF faxes stored in AsteriskNOW 3.0.0 per ‘cat /etc/issue’ on Centos 6.4?

The folder /var/spool/asterisk/fax has PDF faxes up to 2015.0910 but nothing after that and I know fax to email is working.

Many thanks, Jeff