Use this flags for StandardFlags in feddirc and for the names and groups file.

pr   Private
cr   Crash
rc   Recd
se   Sent
fa   FileAttached
it   InTransit
or   Orphan
ks   KillSent
lo   Local
hp   HoldForPickup
--   unused
fr   FileRequest
rr   ReturnReceiptRequest
ir   IsReturnReceipt
ar   AuditRequest
fu   FileUpdateReq
