4.2 release version

4.2 release version

SCCS-vsn: usr.sbin/sendmail/READ_ME 4.1
SCCS-vsn: usr.sbin/sendmail/Makefile 4.1
SCCS-vsn: usr.sbin/sendmail/doc/op/op.me 4.1
SCCS-vsn: usr.sbin/sendmail/doc/intro/intro.me 4.1
SCCS-vsn: usr.sbin/sendmail/src/sendmail.hf 4.1
SCCS-vsn: include/sysexits.h 4.1
SCCS-vsn: usr.sbin/sendmail/src/useful.h 4.1
SCCS-vsn: usr.sbin/sendmail/src/err.c 4.1
SCCS-vsn: usr.sbin/sendmail/src/convtime.c 4.1
SCCS-vsn: usr.sbin/sendmail/src/sysexits.c 4.1
SCCS-vsn: usr.sbin/sendmail/src/stab.c 4.1
SCCS-vsn: usr.sbin/sendmail/src/READ_ME 4.1
SCCS-vsn: usr.sbin/sendmail/src/trace.c 4.1
SCCS-vsn: usr.sbin/sendmail/src/conf.h 4.1
SCCS-vsn: usr.sbin/sendmail/src/macro.c 4.1
SCCS-vsn: usr.sbin/sendmail/src/arpadate.c 4.1
SCCS-vsn: usr.sbin/sendmail/src/queue.c 4.1
SCCS-vsn: usr.sbin/sendmail/src/headers.c 4.1
SCCS-vsn: usr.sbin/sendmail/src/conf.c 4.1
SCCS-vsn: usr.sbin/sendmail/src/main.c 4.1
SCCS-vsn: usr.sbin/sendmail/src/deliver.c 4.1
SCCS-vsn: usr.sbin/sendmail/src/collect.c 4.1
SCCS-vsn: usr.sbin/sendmail/src/daemon.c 4.1
SCCS-vsn: usr.sbin/sendmail/src/util.c 4.1
SCCS-vsn: usr.sbin/sendmail/src/sendmail.h 4.1
SCCS-vsn: usr.sbin/sendmail/src/savemail.c 4.1
SCCS-vsn: usr.sbin/sendmail/src/srvrsmtp.c 4.1
SCCS-vsn: usr.sbin/sendmail/src/stats.c 4.1
SCCS-vsn: usr.sbin/sendmail/src/recipient.c 4.1
SCCS-vsn: usr.sbin/sendmail/src/alias.c 4.1
SCCS-vsn: usr.sbin/sendmail/src/clock.c 4.1
SCCS-vsn: usr.sbin/sendmail/src/version.c 4.1
SCCS-vsn: usr.sbin/sendmail/src/envelope.c 4.1
SCCS-vsn: usr.sbin/sendmail/src/parseaddr.c 4.1
SCCS-vsn: usr.sbin/sendmail/src/usersmtp.c 4.1
SCCS-vsn: usr.sbin/sendmail/src/readcf.c 4.1
SCCS-vsn: usr.sbin/sendmail/mailstats/mailstats.c 4.1
SCCS-vsn: usr.bin/vacation/vacation.c 4.1
SCCS-vsn: usr.sbin/sendmail/doc/syslog.3 4.1
SCCS-vsn: usr.sbin/sendmail/doc/syslog.8 4.1
SCCS-vsn: usr.sbin/sendmail/doc/usenix/usenix.me 4.1
SCCS-vsn: usr.sbin/sendmail/doc/Makefile 4.1