公司是用 Linux Postfix做Mail server
上禮拜因為EDM發送大量郵件，而上黑名單
導致與客戶MAIL往來有問題
(我才剛到公司接手沒多久，我也不知道為什麼之前的MIS要讓他們用公司的網域去發EDM)
我們有請客戶將我們的網域(abc.com.tw)加入白名單，但有些客戶好像沒有用，還是收不到我們的信。

還有客戶將LOG寄給我們看，說是我們Mail server有問題
log如下所示~

20 Nov 2012 20:16:39 (GMT -08:00) Message 74200109 (31760 bytes) from XXX@abc.com.tw ready.
20 Nov 2012 20:16:39 (GMT -08:00) Message 74200109 matched per-recipient policy DEFAULT for inbound mail policies.
20 Nov 2012 20:16:39 (GMT -08:00) Message 74200109 scanned by Anti-Spam engine: CASE. Interim verdict: Negative
20 Nov 2012 20:16:39 (GMT -08:00) Message 74200109 scanned by Anti-Spam engine CASE. Interim verdict: definitely negative.
20 Nov 2012 20:16:39 (GMT -08:00) Message 74200109 scanned by Anti-Spam engine: CASE. Final verdict: Negative
20 Nov 2012 20:16:39 (GMT -08:00) Message 74200109 scanned by Anti-Virus engine Sophos. Interim verdict: CLEAN
20 Nov 2012 20:16:39 (GMT -08:00) Message 74200109 scanned by Anti-Virus engine. Final verdict: Negative
20 Nov 2012 20:16:39 (GMT -08:00) Message 74200109 contains attachment 'image002.jpg'.
20 Nov 2012 20:16:39 (GMT -08:00) Message 74200109 contains attachment 'image003.png'.
20 Nov 2012 20:16:39 (GMT -08:00) Message 74200109 contains attachment 'image004.png'.
20 Nov 2012 20:16:39 (GMT -08:00) Message 74200109 queued for delivery.
20 Nov 2012 20:16:39 (GMT -08:00) (DCID 38599643) Delivery started for message 74200109 to zz@def.com, aa@def.com.
20 Nov 2012 20:16:39 (GMT -08:00) (DCID 38599643) Delivery details: Message 74200109 sent to zz@nike.com, aa@def.com
20 Nov 2012 20:16:39 (GMT -08:00) Message 74200109 to zz@def.com, aa@def.com received remote SMTP response '2.0.0 qAL4GUv5064979 Message accepted for delivery'.
20 Nov 2012 20:16:41 (GMT -08:00) Incoming connection (ICID 262613477) lost.

請問
1.白名單家網域沒用的話，是否要加IP才有用
2.上面的log真的是我們自家的mail server有問題嗎?

謝謝!