change setproctitle so it will print sendmail: in 4.4bsd

child pid not getting changed; \quoted names were still forwarded

update error address

quote full names if they have special characters

make eight-bit clean; backslashes are carried through as-is

many fixes to controlling user code; fix Neil Rickert's hack using
CNAME for someone else's host

clean up controlling user implementation; all those global variables
weren't needed

security hacks: make F .cf line a little more careful; don't
close more than 256 files

open connection caching

date and time created 92/07/11 17:47:25 by eric

fix botch in random choice function for preferences

checkpoint: putting in connection caching

YP back compatibility for NEWDB -- DBM files needed

more connection caching hacks

more connection caching hacks

more connection caching hacks

more connection caching hacks

make GECOS matching configurable, and look at aliases after a match

move call to udbsender so that full name can potentially be extracted
from UDB instead of passwd file

allow configuration of GECOS matching; do regular aliasing after
a GECOS match

ignore setuid bits on files if address was passed through a .forward
or :include: file -- this avoids a security problem that comes up
with System V Release 4, reported by Dave Borman

add generalized database mapping (using the K config line and
$( ... $) syntaxes); $[ ... $] is now a special case

make C option safe; output values of $r and $s macros to qf; allow
long messages in queue files

use putenv (Sys 5 standard) instead of setenv (completely nonstandard)

properly set up envelope when returning email; try to eliminate
some of the CurEnv globals