Is TLS up and running

[warrenliang]

Hello:
Command /usr/lib/sendmail -bt -d0 shows:
Version 8.13.7+Sun
Compiled with: DNSMAP LDAPMAP LOG MAP_REGEX MATCHGECOS MILTER MIME7TO8
MIME8TO7 NAMED_BIND NDBM NETINET NETINET6 NETUNIX NEWDB NIS
NISPLUS PIPELINING SCANF STARTTLS TCPWRAPPERS USERDB
USE_LDAP_INIT XDEBUG

============ SYSTEM IDENTITY (after readcf) ============
(short domain name) $w = sendmail_server
(canonical domain name) $j = sendmai_server.mydomain.com
(subdomain name) $m = mydomain.com
(node name) $k = sendmail_server

But command # telnet localhost smtp does not show STARTTLS:
220 sendmail_server.mydomain.com ESMTP Sendmail 8.13.7+Sun/8.13.3; Tue, 11 Mar 2008 13:17:05 -0400 (EDT)
ehlo localhost
250-sendmial_server.mydomain.com Hello localhost [127.0.0.1], pleased to meet you
250-ENHANCEDSTATUSCODES
250-PIPELINING
250-EXPN
250-VERB
250-8BITMIME
250-SIZE
250-DSN
250-ETRN
250-DELIVERBY
250 HELP

Is TLS up and running on this Solaris server?
O/S: 5.10 Generic_118833-24
Thanks.
Warren