小弟有兩個hinet信箱
一個是@msa.hinet.net
另一個是@ms74.hinet.net
最近這兩個信箱只要寄信，都會被退，退件內容如下
The original message was received at Fri, 6 Sep 2013 09:51:41 +0800 (CST)

from 118-167-76-24.dynamic.hinet.net [118.167.76.24]

----- The following addresses had permanent fatal errors -----
<XXXX@XXXX.com>
(reason: 550-"JunkMail rejected - msr3.hinet.net [168.95.4.103]:45635
is in an RBL on)

----- Transcript of session follows -----
... while talking to XXX.com.:

DATA
<<< 550-"JunkMail rejected - msr3.hinet.net [168.95.4.103]:45635 is in an
RBL on
<<< 550-rbl2.websitewelcome.com, see Blocked - see
<<< 550 http://ls.lashback.com/blacklist/index.aspx"
550 5.1.1 <XXXX@XXXX.com>... User unknown
451 4.4.1 reply: read error from XXXX.com.

我依照上面的網址http://ls.lashback.com/blacklist/index.aspx，把被封鎖的IP 168.95.4.103解除
但下次又要寄信的時候，又換了一個IP
不知各位大大們，是否有其他解決辦法，不然每次都要把被封鎖的IP從黑名單去除，無限迴圈...