请帮忙看看这样的LOG?

shxxb

以下的LOG都是公司的Qmail Server在连续时间段内报告的错误信息:

194993: msg to remote joe@263.sina.com
deferral: Connected_to_202.106.182.142_but connection_died.

194994: msg to remote adam@sina.com
deferral: Connected_to_202.108.43.230_but_connection_died. _Possible_duplicate!_(#4.4.2)

mary@esai.com.cn: no mailbox here by that name. vpopmail (#5.1.1)

195014: msg to remote matt@tencent.com
deferral: 219.133.41.119 does not like recipient./Remote host said: 450 <matt@tencent.com>;: User unkown in local recipient table/Giving up on 219.133.41.119

自己的域名是xxx.com.cn, 请教一下,应该如何处理才能与诸如sina.com的通信

wd

202.106.182.142是新郎的ip么?是不是你的dns有问题?