$e macro is now SMTP entry message (so that configuration version can

$e macro is now SMTP entry message (so that configuration version can
be included).

SCCS-mr: usr.sbin/sendmail/src/main.c 160
SCCS-mr: usr.sbin/sendmail/src/version.c 160
SCCS-mr: usr.sbin/sendmail/src/srvrsmtp.c 160
SCCS-mr: usr.sbin/sendmail/src/readcf.c 160
SCCS-mr: usr.sbin/sendmail/src/macro.c 160
SCCS-mr: usr.sbin/sendmail/src/envelope.c 160
SCCS-vsn: usr.sbin/sendmail/src/main.c 3.156
SCCS-vsn: usr.sbin/sendmail/src/version.c 3.306
SCCS-vsn: usr.sbin/sendmail/src/srvrsmtp.c 3.45
SCCS-vsn: usr.sbin/sendmail/src/readcf.c 3.55
SCCS-vsn: usr.sbin/sendmail/src/macro.c 3.20
SCCS-vsn: usr.sbin/sendmail/src/envelope.c 3.8