為什麼寄信會被退呢??

[franky0303]

今天寄信到三個地方
可是都被退了
請各位幫我解答一下

1.
Response Message :
To: redicon@pacific.net.sg
Subject: about order of 3M3748Q
Reason: 451 http://www.spamhaus.org/query/bl?ip=211.20.183.169

2.Reason: 550 5.2.1 Mailbox unavailable. Your IP address 211.20.183.162 is blacklisted using SPAMCOP. Details: Blocked - see http://www.spamcop.net/bl.shtml?211.20.183.162.

3.
A message sent by this account comes froma domain or host not allowed by this mail server.

From: purchase@sunnico.com.tw
To: pur.aux@cn.flextronics.com

Your email address (or routed through a relay) is under spammer lists:-sbl.spamhaus.org OR - cbl.abuseat.org

not allowed by our email gateway. Please check with the corresponding
organizations to resolve this problem.

Please contact "SMTP_Admin@hk.flextronics.com" for support if required.
State the subject as "Support request". And in this case you may need to use a different email gateway or domain to send.

因為我英文不是很好
可是我大概看的意思
是不是指我被列入黑名單了呢...
還是有其他的因素
請各位幫忙了
謝謝

[kiner]

SPAMCOP 將 211.20.183.162 ip 列入其黑名單當中
所以採用 spamcop 的防廣告信機制的 mailserver
都會拒絕你的連線

[franky0303]

[kiner]