[b]sendmail 无法发信给sina ,???[/b]

[weixin_38051479]

请各位大侠帮忙，

我的sendmail 无法发信给sina,错误信息如下：
请注意粗体

Jan 15 20:58:28 www sendmail[5055]: [ID 801593 mail.info] i0FCwKW05053: to=[e-mail], delay=00:00:08, xdelay=00:00:01, mailer=esmtp, pri=120014, relay=sinamx.sina.com.cn. [202.106.187.150], dsn=5.6.0, stat=Data format error

Jan 15 20:58:28 www sendmail[5055]: [ID 801593 mail.info] i0FCwKW05053: to=[e-mail], delay=00:00:08, mailer=local, pri=120014, dsn=5.1.1, stat=User unknown

Jan 15 20:58:28 www sendmail[5055]: [ID 801593 mail.info] i0FCwKW05053: i0FCwSV05055: postmaster notify: User unknown

Jan 15 20:58:28 www sendmail[5055]: [ID 801593 mail.info] i0FCwSV05055: to=root, delay=00:00:00, xdelay=00:00:00, mailer=local, pri=30123, relay=local, dsn=2.0.0, stat=Sent