Spamhaus is currently the world's most influential anti-spam gateway organization, as long as it is blacklisted, your mail system server will be paralyzed, because it is said that more than 80% of the world's servers will refuse to accept emails from your mail server. They offer four types: XBL, SBL, PBL, ROKSO.
How to detect if your email address has been blacklisted?The detection method is very simple, first you need to know the IP address of your email, such as 111.111.111.111, so you can query it through such an address for a long time: http://www.spamhaus.org/query/ip/111.111.111.111 You will see a reply message from the other party: 111.111.111.111 is not listed in the SBL 111.111.111.111 is not listed in the PBL 111.111.111.111 is not listed in the XBL This shows that this email address has not entered the blacklist address, congratulations! But if you find that you have entered the blacklist, then you need to file an appeal.
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Posted on 2/21/2015 12:55:36 PM
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Posted on 2/21/2015 9:07:11 PM