V5	V1
0	0	parse address
1	1	sender pre-rewriting
2	2	recipient pre-rewriting
3	3	canonicalization
4	4	final post-rewriting
5		after aliasing
6-9		RESERVED FOR INTERNAL USE
96	6	bottom half of ruleset 3
97	7	call 3 then 0 for recursive call
88	9	dispatching
10	10	local sender
11	11	remote(smtp) sender
12	12	uucp sender (domain style)
13	13	uucp sender (bang style)
16	16	another remote(smtp) sender
17	17	another remote(uucp) sender
20	20	local recipient
21	21	remote(smtp) recipient
23	23	uucp sender (bang style)
26	26	another remote sender
29	29	relay recipient
31		remote(smtp) envelope sender
41		remote(smtp) envelope recipient
89		RESERVED FOR DEBUGGING
90		mailertable
91		usertable
92		usertable
93		plused users
