(??) consider stripping vdoms for VERPs; tnx PJH
(??) consider ~ in qmail-local for doing defaultdelivery (not recursively)
(??) consider POP bulletins
turn qmail-upq into a more serious queue-moving utility -- done (qmail-queuefix)
(--) consider fast-greeting option in qmail-smtpd -- partly done
(na) build a returnmail package

(++) expand strerr coverage	-- done
(++) redo control interface	-- partly done
(++) allow concurrency over 255 -- done
(na) allow more channels at compile time -- done
(na) test for linux fifo close bug at compile time -- irrelevant

(??) eliminate qsmhook		-- done
(??) finish OTBS conversion
(na) use mess822 in qmail-inject
(na) use mess822 in qreceipt
(na) use mess822 in qbiff
(na) use mess822 in maildirwatch
(??) eliminate token822, headerbody, hfield
(+-) replace INTERNALS and THOUGHTS with a real paper describing qmail -- mostly done
(++) handle IPv6 -- done
(-?) rewrite everything from scratch -- what shall I say?