# telnet localhost 25
220 herisson.maison ESMTP Sendmail 8.12.3/8.12.3; Thu, 7 Nov 2002 12:41:31 +0100 (CET)
help
214-2.0.0 This is sendmail version 8.12.3
214-2.0.0 Topics:
214-2.0.0 	HELO	EHLO	MAIL	RCPT	DATA
214-2.0.0 	RSET	NOOP	QUIT	HELP	VRFY
214-2.0.0 	EXPN	VERB	ETRN	DSN	AUTH
214-2.0.0 	STARTTLS
214-2.0.0 For more info use "HELP ".
214-2.0.0 To report bugs in the implementation send email to
214-2.0.0 	sendmail-bugs@sendmail.org.
214-2.0.0 For local information send email to Postmaster at your site.
214 2.0.0 End of HELP info
help verb
214-2.0.0 VERB
214-2.0.0 	Go into verbose mode.  This sends 0xy responses that are
214-2.0.0 	not RFC821 standard (but should be)  They are recognized
214-2.0.0 	by humans and other sendmail implementations.
214 2.0.0 End of HELP info
help quit
214-2.0.0 QUIT
214-2.0.0 	Exit sendmail (SMTP).
214 2.0.0 End of HELP info
help control
214-2.0.0 Help for smcontrol:
214-2.0.0 help		This message.
214-2.0.0 restart		Restart sendmail.
214-2.0.0 shutdown	Shutdown sendmail.
214-2.0.0 status		Show sendmail status.
214-2.0.0 memdump		Dump allocated memory list (for debugging only).
214 2.0.0 End of HELP info
quit
221 2.0.0 herisson.maison closing connection

# cd /etc/mail
# cat > helpfile
#vers	2
smtp	Disabled.
^D
# cat > /tmp/freebsd.mc.supp
define(`confSMTP_LOGIN_MSG', `$j server ready at $b')
define(`confRECEIVED_HEADER', `$?sfrom $s $.$?_($?s$|from $.$_)
	$.$?{auth_type}(authenticated$?{auth_ssf} bits=${auth_ssf}$.)
	$.by $j $?r with $r$. id $i$?{tls_version}
	(version=${tls_version} cipher=${cipher} bits=${cipher_bits} verify=${verify})$.$?u
	for $u; $|;
	$.$b$?g
	(envelope-from $g)$.')
^D
# cat /tmp/freebsd.mc.supp >> freebsd.mc
# rm /tmp/freebsd.mc.supp
# make freebsd.cf
# cp freebsd.cf sendmail.cf
# cat > /tmp/freebsd.submit.mc.supp
define(`confSMTP_LOGIN_MSG', `$j server ready at $b')
define(`confRECEIVED_HEADER', `$?sfrom $s $.$?_($?s$|from $.$_)
	$.$?{auth_type}(authenticated$?{auth_ssf} bits=${auth_ssf}$.)
	$.by $j $?r with $r$. id $i$?{tls_version}
	(version=${tls_version} cipher=${cipher} bits=${cipher_bits} verify=${verify})$.$?u
	for $u; $|;
	$.$b')
^D
# cat /tmp/freebsd.submit.mc.supp >> freebsd.submit.mc
# rm /tmp/freebsd.submit.mc.supp
# make freebsd.submit.cf
# cp freebsd.submit.cf submit.cf
# killall -HUP sendmail

# telnet localhost 25
220 herisson.maison ESMTP server ready at Thu, 7 Nov 2002 13:30:46 +0100 (CET)
help
214-2.0.0 Disabled.
214 2.0.0 End of HELP info
quit
221 2.0.0 herisson.maison closing connection

# smtpscan localhost
smtpscan version 0.3
Scanning localhost (127.0.0.1) port 25
...............

Result --
451:501:501:250:553:451:503:214:252:502:502:502:502:250:250

No exact match. Nearest matches :
  - Sendmail 8.11.0 (3) (with source email address checking - rbl, ...)
  - Sendmail 8.11.2 (3) (with source email address checking - rbl, ...)
  - Sendmail Switch-2.2.0 (3) (with source email address checking - rbl, ...)
  - Sendmail Switch-2.2.3 (3) (with source email address checking - rbl, ...)
  - Sendmail 8.11.6  (3) (with source email address checking - rbl, ...)
  - Sendmail 8.11.6  (3) (with source email address checking - rbl, ...)
  - Sendmail 8.12.2-8.12.5 (3) (with source email address checking - rbl, ...)
  - Sendmail 8.12.3 (3) (with source email address checking - rbl, ...)
  - Sendmail 8.11.6  (3) (with source email address checking - rbl, ...)
  - Sendmail 8.11.6,8.12.3 (3) (with source email address checking - rbl, ...)
  
  To help improving smtpscan database, if you know which soft is used there,
  please send a mail to zejames@greyhats.org, giving the output of smtpscan -v
  and the remote server version.

Authentication-Warning: herisson.maison: localhost.maison [127.0.0.1] didn't use HELO \
 protocol
ruleset=check_mail, arg1=test@yahoo.com, relay=localhost.maison [127.0.0.1], \
 reject=451 4.1.8 Domain of sender address test@yahoo.com does not resolve
from=test@yahoo.com, size=0, class=0, nrcpts=0, proto=SMTP, daemon=MTA, \
 relay=localhost.maison [127.0.0.1]
localhost.maison [127.0.0.1] did not issue MAIL/EXPN/VRFY/ETRN during connection to MTA
lost input channel from localhost.maison [127.0.0.1] to MTA after mail
from=<>, size=0, class=0, nrcpts=0, proto=SMTP, daemon=MTA, relay=localhost.maison \
 [127.0.0.1]
ruleset=check_mail, arg1=, \
 relay=localhost.maison [127.0.0.1], reject=451 4.1.8 Domain of sender address \
 impossibleaddress@thisdomaindoesnotandmustnotexists.com does not resolve
from=, size=0, class=0, \
 nrcpts=0, proto=SMTP, daemon=MTA, relay=localhost.maison [127.0.0.1]
ruleset=check_mail, arg1=, relay=localhost.maison [127.0.0.1], \
 reject=451 4.1.8 Domain of sender address test@yahoo.com does not resolve
from=, size=0, class=0, nrcpts=0, proto=SMTP, daemon=MTA, \
 relay=localhost.maison [127.0.0.1]
localhost.maison [127.0.0.1] did not issue MAIL/EXPN/VRFY/ETRN during connection to MTA
localhost.maison [127.0.0.1]: VRFY root [rejected]
localhost.maison [127.0.0.1]: EXPN root [rejected]
localhost.maison [127.0.0.1] did not issue MAIL/EXPN/VRFY/ETRN during connection to MTA
localhost.maison [127.0.0.1] did not issue MAIL/EXPN/VRFY/ETRN during connection to MTA
localhost.maison [127.0.0.1] did not issue MAIL/EXPN/VRFY/ETRN during connection to MTA
localhost.maison [127.0.0.1] did not issue MAIL/EXPN/VRFY/ETRN during connection to MTA
localhost.maison [127.0.0.1] did not issue MAIL/EXPN/VRFY/ETRN during connection to MTA