senamil is unable to send mail to hotmail

Guys,

using Sendmail when I send mail to any of the hotmail accout it says following error in my maillogs

Apr 6 08:04:51 server123 sendmail[28581]: l36F4ngg028579: to=<mosavani@hotmail.com>, ctladdr=<root@vps.erenovate.com> (0/0), delay=00:00:02, xdelay=00:00:02, mailer=esmtp, pri=120292, relay=mx2.hotmail.com. [65.54.245.40], dsn=2.0.0, stat=Sent ( <200704061504.l36F4jHL028568@server123.linuxwebadm in.info> Queued mail for delivery)

I can easily send mail to all other account.

Any help?

Thanks,