- look for "No space left on device" messages, or even watch the disk free space itself
- show used cpu/system time for the logdigest the job
- optionally gpg-encrypt mails (a variable specifying a public key would do, to switch it on)

- recognize common problems and give advice, e.g. when encountering

  Aug 17 09:27:16 backup atd[8335]: File a001f3010dd35b is in wrong format - aborting
  Aug 17 09:27:16 backup atd[8336]: File a001f3010dcdbb is in wrong format - aborting
  Aug 17 09:27:16 backup atd[8337]: File a001f3010dd35b is in wrong format - aborting

  E.g. in this case:
  * don't show all the lines, just an example
  * tell that it's highly suspicious for disk space shortage
  * explain how to get rid of the broken jobs (rm ...)

- "This could indicate tampering." message could mention that logrotate -f could also be a reason

- append output of rpmconfigcheck (i.e. configuration files to be resolved)
