h_errno now in conf.h

better error message

change name of NoMXforCanon to HasWildcardMX -- old name was too confusing

make a bunch of #defines into 0/1 instead of ifdef/ifndef

clean up myhostname to be better about finding dotted names in the face of
poorly configured NIS systems

fix core dump in myhostname

allow symbolic service names on [IPC] mailers

count children. Someday we might reject connections on this basis.

more myhostname cleanup (why is this so hard?!?)

move SMTP startup logging to daemon.c so that $_ is set

change RealUserName from an array to a pointer; move defn to sendmail.h

move setproctitle() to be before every accept to fix problem
that looses process title after fork() in BSD-OS 2.0

patch from John Hawkinson

compilation glitches on several systems.

add option to print IP source routing info

fix compile problems on various platforms

handle AF_LINK addresses on 4.4BSD networking

woops -- compilation glitch

fix possible null pointer dereference in debugging code

prevent host name buffer overflows

make DaemonPortOptions values case insensitive & include error on
unrecognized values

fix problem sending to user@domain where "domain" has an entry
but no A or MX records; problem only occurs if it matches as the
last entry in the resolver search list

fix (another) botch in IDENT code

better use of extended DSN status codes

update copyright notice