请帮忙：sendmail 默认安装完成后如何给公网邮箱发信？

liuliming2008

fedora 3.0
: 需要修改配置access，local-host-name吗？
: 本机没有公网ip,不是dns服务器有关系吗？


root@VICKY www]# sendmail -v liuliming3000@hotmail.com

liuliming3000@hotmail.com... Connecting to [127.0.0.1] via relay...
220 VICKY.SME ESMTP Sendmail 8.13.1/8.13.1; Wed, 8 Feb 2006 15:06:51 +0800
>>> EHLO VICKY.SME
250-VICKY.SME Hello localhost.localdomain [127.0.0.1], pleased to meet you
250-ENHANCEDSTATUSCODES
250-PIPELINING
250-8BITMIME
250-SIZE
250-DSN
250-ETRN
250-AUTH DIGEST-MD5 CRAM-MD5
250-DELIVERBY
250 HELP
>>> MAIL From:<root@VICKY.SME> SIZE=1 AUTH=root@VICKY.SME
250 2.1.0 <root@VICKY.SME>... Sender ok
>>> RCPT To:<liuliming3000@hotmail.com>
>>> DATA
250 2.1.5 <liuliming3000@hotmail.com>... Recipient ok
354 Enter mail, end with "." on a line by itself
>>> .
250 2.0.0 k1876pws005686 Message accepted for delivery
liuliming3000@hotmail.com... Sent (k1876pws005686 Message accepted for delivery)Closing connection to [127.0.0.1]
>>> QUIT
221 2.0.0 VICKY.SME closing connection



不能收到信

什么问题？？谢谢