[root@xsysx mail]# telnet 10.72.69.5 25
Trying 10.72.69.5...
Connected to 10.72.69.5 (10.72.69.5).
Escape character is '^]'.
220 xsysx.gempakbox.net ESMTP Sendmail 8.13.1/8.13.1; Thu, 3 Jun 2010 21:44:22 +0800

[root@xsysx mail]# telnet 10.72.69.5 587
Trying 10.72.69.5...
telnet: connect to address 10.72.69.5: Connection refused
telnet: Unable to connect to remote host: Connection refused

my sendmail.mc

divert(-1)dnl
dnl #
dnl # This is the sendmail macro config file for m4. If you make changes to
dnl # /etc/mail/sendmail.mc, you will need to regenerate the
dnl # /etc/mail/sendmail.cf file by confirming that the sendmail-cf package is
dnl # installed and then performing a
dnl #
dnl #     make -C /etc/mail
dnl #
include(`/usr/share/sendmail-cf/m4/cf.m4')dnl
VERSIONID(`setup for Red Hat Linux')dnl
OSTYPE(`linux')dnl
dnl #
dnl # default logging level is 9, you might want to set it higher to
dnl # debug the configuration
dnl #
dnl define(`confLOG_LEVEL', `9')dnl
dnl #
dnl # Uncomment and edit the following line if your outgoing mail needs to
dnl # be sent out through an external mail server:
dnl #
dnl define(`SMART_HOST', `smtp.your.provider')dnl
FEATURE(authinfo)dnl
define(`confDEF_USER_ID',``8:12'')dnl
dnl define(`confAUTO_REBUILD')dnl
define(`confTO_CONNECT', `1m')dnl
define(`confTRY_NULL_MX_LIST',true)dnl
define(`confDONT_PROBE_INTERFACES',true)dnl
define(`PROCMAIL_MAILER_PATH',`/usr/bin/procmail')dnl
define(`ALIAS_FILE', `/etc/aliases')dnl
define(`STATUS_FILE', `/var/log/mail/statistics')dnl
define(`UUCP_MAILER_MAX', `2000000')dnl
define(`confUSERDB_SPEC', `/etc/mail/userdb.db')dnl
define(`confPRIVACY_FLAGS', `authwarnings,novrfy,noexpn,restrictqrun')dnl
define(`confAUTH_OPTIONS', `A')dnl
dnl #
dnl # The following allows relaying if the user authenticates, and disallows
dnl # plaintext authentication (PLAIN/LOGIN) on non-TLS links
dnl #
dnl define(`confAUTH_OPTIONS', `A p')dnl
dnl #
dnl # PLAIN is the preferred plaintext authentication method and used by
dnl # Mozilla Mail and Evolution, though Outlook Express and other MUAs do
dnl # use LOGIN. Other mechanisms should be used if the connection is not
dnl # guaranteed secure.
dnl # Please remember that saslauthd needs to be running for AUTH.
dnl #
dnl TRUST_AUTH_MECH(`EXTERNAL DIGEST-MD5 CRAM-MD5 LOGIN PLAIN')dnl
dnl define(`confAUTH_MECHANISMS', `EXTERNAL GSSAPI DIGEST-MD5 CRAM-MD5 LOGIN PLAIN')dnl
dnl #
dnl # Rudimentary information on creating certificates for sendmail TLS:
dnl #     cd /usr/share/ssl/certs; make sendmail.pem
dnl # Complete usage:
dnl #     make -C /usr/share/ssl/certs usage
dnl #
dnl define(`confCACERT_PATH',`/usr/share/ssl/certs')
dnl define(`confCACERT',`/usr/share/ssl/certs/ca-bundle.crt')
dnl define(`confSERVER_CERT',`/usr/share/ssl/certs/sendmail.pem')
dnl define(`confSERVER_KEY',`/usr/share/ssl/certs/sendmail.pem')
dnl #
dnl # This allows sendmail to use a keyfile that is shared with OpenLDAP's
dnl # slapd, which requires the file to be readble by group ldap
dnl #
dnl define(`confDONT_BLAME_SENDMAIL',`groupreadablekeyfile')dnl
dnl #
dnl define(`confTO_QUEUEWARN', `4h')dnl
dnl define(`confTO_QUEUERETURN', `5d')dnl
dnl define(`confQUEUE_LA', `12')dnl
dnl define(`confREFUSE_LA', `18')dnl
define(`confTO_IDENT', `0')dnl
dnl FEATURE(delay_checks)dnl
FEATURE(`no_default_msa',`dnl')dnl
FEATURE(`smrsh',`/usr/sbin/smrsh')dnl
FEATURE(`mailertable',`hash -o /etc/mail/mailertable.db')dnl
FEATURE(`virtusertable',`hash -o /etc/mail/virtusertable.db')dnl
FEATURE(redirect)dnl
FEATURE(always_add_domain)dnl
FEATURE(use_cw_file)dnl
FEATURE(use_ct_file)dnl
dnl #
dnl # The following limits the number of processes sendmail can fork to accept
dnl # incoming messages or process its message queues to 12.) sendmail refuses
dnl # to accept connections once it has reached its quota of child processes.
dnl #
dnl define(`confMAX_DAEMON_CHILDREN', 12)dnl
dnl #
dnl # Limits the number of new connections per second. This caps the overhead
dnl # incurred due to forking new sendmail processes. May be useful against
dnl # DoS attacks or barrages of spam. (As mentioned below, a per-IP address
dnl # limit would be useful but is not available as an option at this writing.)
dnl #
dnl define(`confCONNECTION_RATE_THROTTLE', 3)dnl
dnl #
dnl # The -t option will retry delivery if e.g. the user runs over his quota.
dnl #
FEATURE(local_procmail,`',`procmail -t -Y -a $h -d $u')dnl
FEATURE(`access_db',`hash -T<TMPF> -o /etc/mail/access.db')dnl
FEATURE(`blacklist_recipients')dnl
EXPOSED_USER(`root')dnl
dnl #
dnl # The following causes sendmail to only listen on the IPv4 loopback address
dnl # 127.0.0.1 and not on any other network devices. Remove the loopback
dnl # address restriction to accept email from the internet or intranet.
dnl #
dnl DAEMON_OPTIONS(`Port=587,Addr=10.72.69.5, Name=MTA')dnl
dnl #
dnl # The following causes sendmail to additionally listen to port 587 for
dnl # mail from MUAs that authenticate. Roaming users who can't reach their
dnl # preferred sendmail daemon due to port 25 being blocked or redirected find
dnl # this useful.
dnl #
dnl DAEMON_OPTIONS(`Port=submission, Name=MSA, M=Ea')dnl
dnl #
dnl # The following causes sendmail to additionally listen to port 465, but
dnl # starting immediately in TLS mode upon connecting. Port 25 or 587 followed
dnl # by STARTTLS is preferred, but roaming clients using Outlook Express can't
dnl # do STARTTLS on ports other than 25. Mozilla Mail can ONLY use STARTTLS
dnl # and doesn't support the deprecated smtps; Evolution <1.1.1 uses smtps
dnl # when SSL is enabled-- STARTTLS support is available in version 1.1.1.
dnl #
dnl # For this to work your OpenSSL certificates must be configured.
dnl #
dnl DAEMON_OPTIONS(`Port=smtps, Name=TLSMTA, M=s')dnl
dnl #
dnl # The following causes sendmail to additionally listen on the IPv6 loopback
dnl # device. Remove the loopback address restriction listen to the network.
dnl #
dnl DAEMON_OPTIONS(`port=smtp,Addr=::1, Name=MTA-v6, Family=inet6')dnl
dnl #
dnl # enable both ipv6 and ipv4 in sendmail:
dnl #
dnl DAEMON_OPTIONS(`Name=MTA-v4, Family=inet, Name=MTA-v6, Family=inet6')
dnl #
dnl # We strongly recommend not accepting unresolvable domains if you want to
dnl # protect yourself from spam. However, the laptop and users on computers
dnl # that do not have 24x7 DNS do need this.
dnl #
FEATURE(`accept_unresolvable_domains')dnl
dnl #
dnl FEATURE(`relay_based_on_MX')dnl
dnl #
dnl # Also accept email sent to "localhost.localdomain" as local email.
dnl #
LOCAL_DOMAIN(`localhost.localdomain')dnl
dnl #
dnl # The following example makes mail from this host and any additional
dnl # specified domains appear to be sent from mydomain.com
dnl #
dnl MASQUERADE_AS(`mydomain.com')dnl
dnl #
dnl # masquerade not just the headers, but the envelope as well
dnl #
dnl FEATURE(masquerade_envelope)dnl
dnl #
dnl # masquerade not just @mydomainalias.com, but @*.mydomainalias.com as well
dnl #
dnl FEATURE(masquerade_entire_domain)dnl
dnl #
dnl MASQUERADE_DOMAIN(localhost)dnl
dnl MASQUERADE_DOMAIN(localhost.localdomain)dnl
dnl MASQUERADE_DOMAIN(mydomainalias.com)dnl
dnl MASQUERADE_DOMAIN(mydomain.lan)dnl
MAILER(smtp)dnl
MAILER(procmail)dnl


the log

Jun  3 21:37:37 xsysx sendmail[5950]: starting daemon (8.13.1): SMTP+queueing@01:00:00
Jun  3 21:37:37 xsysx sm-msp-queue[5959]: starting daemon (8.13.1): queueing@01:00:00
Jun  3 21:37:44 xsysx sendmail[5972]: o53DbiCh005972: from=root, size=263, class=0, nrcpts=1, msgid=<201006031337.o53DbiCh005972@xsysx.gempakbox.net>, relay=root@localhost
Jun  3 21:37:44 xsysx sendmail[5973]: o53DbikS005973: from=<root@xsysx.gempakbox.net>, size=555, class=0, nrcpts=1, msgid=<201006031337.o53DbiCh005972@xsysx.gempakbox.net>, proto=ESMTP, daemon=MTA, relay=centos.lowkey.net.my [127.0.0.1]
Jun  3 21:37:44 xsysx sendmail[5972]: o53DbiCh005972: to=admin@gempakbox.net, ctladdr=root (0/0), delay=00:00:00, xdelay=00:00:00, mailer=relay, pri=30263, relay=[127.0.0.1] [127.0.0.1], dsn=2.0.0, stat=Sent (o53DbikS005973 Message accepted for delivery)
Jun  3 21:38:34 xsysx sendmail[5890]: o53DaTGf005888: to=<admin@gempakbox.net>, ctladdr=<root@xsysx.gempakbox.net> (0/0), delay=00:02:05, xdelay=00:02:05, mailer=esmtp, pri=120555, relay=gempakbox.net. [64.32.22.130], dsn=4.0.0, stat=Deferred: Connection timed out with gempakbox.net.
Jun  3 21:38:54 xsysx sendmail[5905]: o53DamAk005903: to=<admin@gempakbox.net>, ctladdr=<root@xsysx.gempakbox.net> (0/0), delay=00:02:05, xdelay=00:02:05, mailer=esmtp, pri=120555, relay=gempakbox.net. [64.32.22.130], dsn=4.0.0, stat=Deferred: Connection timed out with gempakbox.net.
Jun  3 21:39:42 xsysx sendmail[5951]: o53DY9A2005793: to=<admin@gempakbox.net>, ctladdr=<root@xsysx.gempakbox.net> (0/0), delay=00:05:33, xdelay=00:02:05, mailer=esmtp, pri=210555, relay=gempakbox.net. [64.32.22.130], dsn=4.0.0, stat=Deferred: Connection timed out with gempakbox.net.
Jun  3 21:39:42 xsysx sendmail[5951]: o53DZKks005816: to=<admin@gempakbox.net>, ctladdr=<root@xsysx.gempakbox.net> (0/0), delay=00:04:22, xdelay=00:00:00, mailer=esmtp, pri=210555, relay=gempakbox.net., dsn=4.0.0, stat=Deferred: Connection timed out with gempakbox.net.
Jun  3 21:39:42 xsysx sendmail[5951]: o53DQjLC005670: to=<admin@gempakbox.net>, ctladdr=<root@xsysx.gempakbox.net> (0/0), delay=00:12:57, xdelay=00:00:00, mailer=esmtp, pri=300506, relay=gempakbox.net., dsn=4.0.0, stat=Deferred: Connection timed out with gempakbox.net.