错误日志：
James.Mailet: RemoteDelivery: Attempting delivery of Mail
15378459636
03-7-to-sina.com to host freemx1.sinamail.sina.com.cn. at 39.156.6.104 for addresses [[email protected]]James.Mailet: RemoteDelivery: Exception delivering message (Mail
15378459636
03-7-to-sina.com) - [EOF]James.Mailet: RemoteDelivery: Temporary exception delivering mail (Mail
15378459636
03-7-to-sina.com: James.Mailet: RemoteDelivery: Storing message Mail
15378459636
03-7-to-sina.com into outgoing after 2 retries
dns配置：
<dnsserver>
<servers>
<!-- IP地址-->
<server>服务器内网地址</server>
<!-- DNS地址 -->
<server>183.60.83.**</server>
<server>183.60.82.**</server>
</servers>
<autodiscover>false</autodiscover>
<authoritative>false</authoritative>
<!-- Maximum number of entries to maintain in the DNS cache -->
<maxcachesize>50000</maxcachesize>
</dnsserver>
测试gmail、qq、163可以发送成功，sina.com、outlook.com等日志打印都是 “ Temporary exception delivering mail”，网上都说是dns配置问题，求大佬看看一般都是什么原因，邮箱：[email protected]

你能发外网了？哥们