#91.
檢查你的mail server是否被列入RBL黑名單 - Hello World - 痞客邦
如果發現自己mail server 的ip 被列入黑名單時請先檢查目前是否還有異常的流量、mail queue 是否被塞爆可能是被盜帳號可能是安全性不足，被當跳板也有 ...
#92.
Spamhaus: Lookup - Reputation Checker
Do you have problems sending email? Do you need to check if an IP address or domain name is on one of our blocklists? Relax, you're in the right place. We're ...
#93.
Spamhaus - 思普股份有限公司
1. The Spamhaus Block List (Spamhaus SBL):. SBL是一個Spamhaus不建議使用者接收來自這些IP位址的郵件的IP位址資料庫。這名單能夠讓郵件伺服 ...
#94.
Blacklist Check - What Is My IP Address
Check to see if an IP address is blacklisted with one of nearly seventy DNS based blacklists (DNSBL) in our database which identify sources of spam.
#95.
IP Blacklist Check - See if your server is blacklisted - MxToolbox
ABOUT BLACKLIST CHECK. The blacklist check will test a mail server IP address against over 100 DNS based email blacklists.
spamhaus黑名單 在 [問答] 剛申請的ip被列為黑名單？ - 看板Network 的必吃
上星期剛跟中華電信申請的固定ip(為架mailserver)
寄送給Gmail正常，但HIBOX就出現550 5.7.1的拒收訊息，
於是在https://www.kloth.net/services/dnsbl.php查詢自己申請的ip
結果是在cbl.abuseat.org和xbl.spamhaus.org發現已被列為黑名單。
請問如果要請中華電信更改ip是不是得再花一筆費用？
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