xxx.yy  smtp:mail.xxx.yy
*.xxx.yy    smtp:mail.xxx.yy

include(`/usr/share/sendmail/cf/m4/cf.m4')dnl
OSTYPE(freebsd6)dnl
DOMAIN(generic)dnl
FEATURE(access_db, `hash -o -T<TMPF> /etc/mail/access')dnl
FEATURE(blacklist_recipients)dnl
FEATURE(local_lmtp)dnl
FEATURE(mailertable, `hash -o /etc/mail/mailertable')dnl
FEATURE(virtusertable, `hash -o /etc/mail/virtusertable')dnl
define(`SMART_HOST', `[10.0.0.3]')dnl
define(`MAIL_HUB', `[10.0.0.3]')dnl
MASQUERADE_AS(`xxx.yy')dnl
FEATURE(`masquerade_envelope')dnl
GENERICS_DOMAIN(host.xxx.yy HOST)dnl
FEATURE(genericstable)dnl
define(`confCW_FILE', `-o /etc/mail/local-host-names')dnl
DAEMON_OPTIONS(`Name=IPv4, Family=inet')dnl
define(`confBIND_OPTS', `WorkAroundBrokenAAAA')dnl
define(`confNO_RCPT_ACTION', `add-to-undisclosed')dnl
define(`confPRIVACY_FLAGS', `authwarnings,noexpn,novrfy')dnl
define(`confDONT_PROBE_INTERFACES',`True')dnl
define(`confDEF_CHAR_SET',`ISO-8859-1')dnl
MAILER(local)dnl
MAILER(smtp)dml

Jan  5 12:54:52 push sendmail[83676]: u05BsqB6083676: from=root, size=55, class=0, nrcpts=1, msgid=<201601051154.u05BsqB6083676@push.xxx.yy>, relay=root@localhost
Jan  5 12:54:52 push sm-mta[83677]: STARTTLS=server, relay=push [10.0.0.12], version=TLSv1/SSLv3, verify=NO, cipher=DHE-RSA-AES256-GCM-SHA384, bits=256/256
Jan  5 12:54:52 push sendmail[83676]: STARTTLS=client, relay=[127.0.0.1], version=TLSv1/SSLv3, verify=FAIL, cipher=DHE-RSA-AES256-GCM-SHA384, bits=256/256
Jan  5 12:54:52 push sm-mta[83677]: u05Bsq42083677: from=<root@push.xxx.yy>, size=404, class=0, nrcpts=1, msgid=<201601051154.u05BsqB6083676@push.xxx.yy>, proto=ESMTP, daemon=Daemon0, relay=push [10.0.0.12]
Jan  5 12:54:52 push sendmail[83676]: u05BsqB6083676: to=mail@xxx.yy, ctladdr=root (0/0), delay=00:00:00, xdelay=00:00:00, mailer=relay, pri=30055, relay=[127.0.0.1] [127.0.0.1], dsn=2.0.0, stat=Sent (u05Bsq42083677 Message accepted for delivery)
Jan  5 12:54:52 push sm-mta[83679]: u05Bsq42083677: to=<mail@xxx.yy>, ctladdr=<root@push.xxx.yy> (0/0), delay=00:00:00, xdelay=00:00:00, mailer=esmtp, pri=30404, relay=mail.xxx.yy. [XX.XX.XX.XX], dsn=4.0.0, stat=Deferred: Connection refused by mail.xxx.yy.