(please note that this information is obsolete with DPM 1.9)
A new page is available, describing one of the new features of DPM 1.8.10 and its configuration steps.
This is part of the ongoing release of DPM 1.8.10, and will be available when the new packages reach the EPEL repositories.
The puppet templates already take care of the configuration fully. Sysadmins are also encouraged to doublecheck their manifest files against the updated instructions: