CDR doesn´t work already 2days

HI, could you please tell me why the CDR is not work already 2 days. The website is normaly work, but when I and my colleagues will submit request, any email with CDR will not come. We need to work with CDR asap. Could you please help me?

Thank you.

Kind regards,

Tereza Harapatova

harapatovat@aveng.cz