sendmail problem:connection timed out

[arun raj <aroan_mca@yahoo.co.in>]

hello,

I am using sendmail 8.12 in redhat linux9.0 to send
mail.It sends the
message between the 
internal network. But it doesnot send the message to
the external network.
I want to send mail to user@hotmail.com. But it is not
sending mail.The 
following logs are generated in maillog .
>From the message i understand that it is accepting the
mail.But it is not able 
to relay to the user_account @hotmail.com
Please reply as soon as possible. very urgent.
logs
******
Jan  5 12:04:56 arun sendmail[5213]: i056YuFS005213:
from=root, size=133, 
class=0, nrcpts=1,
msgid=<200401050634.i056YuFS005213@arun>, 
relay=root@localhost
Jan  5 12:04:56 arun sendmail[5215]: i056Yuor005215:
from=<root@arun>, 
size=333, class=0, nrcpts=1,
msgid=<200401050634.i056YuFS005213@arun>, 
proto=ESMTP, daemon=MTA, relay=localhost [127.0.0.1]
(may be forged)
Jan  5 12:04:56 arun sendmail[5213]: i056YuFS005213:
to=user@hotmail.com, 
ctladdr=root (0/0), delay=00:00:00, xdelay=00:00:00,
mailer=relay, pri=30086, 
relay=[127.0.0.1] [127.0.0.1], dsn=2.0.0, stat=Sent
(i056Yuor005215 Message 
accepted for delivery)
Jan  5 12:07:56 arun sendmail[5217]: i056Yuor005215:
to=<user@hotmail.com>, 
ctladdr=<root@arun> (0/0), delay=00:03:00,
xdelay=00:03:00, mailer=esmtp, 
pri=30286, relay=hotmail.com [64.4.33.7], dsn=4.0.0,
stat=Deferred: 
Connection timed out with hotmail.com
thanks,
arun
my email_id: aroan_mca@yahoo.co.in

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