Unable to send mail, on sun solaris

hi experts,

I m new to the sun solaris.

on our OS (sun solaris 5.8) i m trying to send mail but i not getting any mail, i have tried doing following .

$mailx -s "Test" sivakumars@kesd.com

But no response there no error also...
pls let me know:
1) How can test sending mail through (sun solari)
2) where i wat to check whether my OS capable to send mails or not?
pls help me where i m going wrong,

thanks in advance

Hi,
Often you just set the smart host to your mail gateway and you're done, look for smart host relay in /etc/mail/sendmail.cf and add your mail gateway right just after the 2 letters DS ...
Good luck

hi andryk,

i have opend for edit sendmail.cf , but i not finding any mail gateway option my sendmail.cf is
#
# Copyright (c) 1998-2000 Sendmail, Inc. and its suppliers.
# All rights reserved.
# Copyright (c) 1983, 1995 Eric P. Allman. All rights reserved.
# Copyright (c) 1988, 1993
# The Regents of the University of California. All rights reserved.
#
# Copyright (c) 1993, 1997 - 2000
# Sun Microsystems, Inc. All rights reserved.
#
# By using this file, you agree to the terms and conditions set
# forth in the LICENSE file which can be found at the top level of# the sendmail distribution.
#
#

######################################################################
######################################################################
#####
##### SENDMAIL CONFIGURATION FILE
#####
######################################################################
######################################################################

##### $Id: cfhead.m4,v 8.76 2000/03/21 23:56:59 gshapiro Exp $ #####
##### @(#)cf.m4 8.24 (Berkeley) 8/16/95 #####

##### @(#)remote_mode.m4 1.2 (Sun) 05/01/00 #####
##### @(#)subsidiary-v7sun.mc 1.7 (Sun) 05/27/00 #####

##### $Id: solaris2.m4,v 8.22 1999/09/24 21:43:53 ca Exp $ #####
##### $Id: local_lmtp.m4,v 8.15 1999/11/18 05:06:22 ca Exp $ #####

##### @(#)solaris-generic.m4 1.6 (Sun) 05/27/00 #####

##### $Id: redirect.m4,v 8.15 1999/08/06 01:47:36 gshapiro Exp $
#####

##### @(#)use_cw_file.m4 8.1 (Berkeley) 6/7/93 #####

##### @(#)use_ct_file.m4 8.1 (Berkeley) 9/17/95 #####

##### @(#)accept_unqualified_senders.m4 8.3 (Berkeley) 5/19/98 #####

##### @(#)accept_unresolvable_domains.m4 8.7 (Berkeley) 5/19/98 #####

Hi,
There must be DS at the beginning of a line somewhere in sendmail.cf, so search for these 2 letters 'DS' and add your mailgateway just right after