many fixes. primarily fix for seteuid problem in 8.2; also,

many fixes.  primarily fix for seteuid problem in 8.2; also,
Solaris compatibility fixes; timed out messages problems; messages
silently discarded if checkcompat returned EX_TEMPFAIL

SCCS-vsn: usr.sbin/sendmail/src/READ_ME 8.3
SCCS-vsn: usr.sbin/sendmail/src/usersmtp.c 8.4
SCCS-vsn: usr.sbin/sendmail/src/recipient.c 8.3
SCCS-vsn: usr.sbin/sendmail/src/main.c 8.3
SCCS-vsn: usr.sbin/sendmail/src/envelope.c 8.3
SCCS-vsn: usr.sbin/sendmail/src/conf.h 8.3
SCCS-vsn: usr.sbin/sendmail/src/version.c 8.3
SCCS-vsn: usr.sbin/sendmail/src/sendmail.h 8.3
SCCS-vsn: usr.sbin/sendmail/src/savemail.c 8.3
SCCS-vsn: usr.sbin/sendmail/src/daemon.c 8.2
SCCS-vsn: usr.sbin/sendmail/src/srvrsmtp.c 8.3
SCCS-vsn: usr.sbin/sendmail/src/clock.c 8.2
SCCS-vsn: usr.sbin/sendmail/src/util.c 8.3
SCCS-vsn: usr.sbin/sendmail/src/readcf.c 8.2
SCCS-vsn: usr.sbin/sendmail/src/deliver.c 8.3
SCCS-vsn: usr.sbin/sendmail/src/queue.c 8.3
SCCS-vsn: usr.sbin/sendmail/src/conf.c 8.3
SCCS-vsn: usr.sbin/sendmail/src/alias.c 8.3