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What is the SBL block List?

What is the SBL block List?

The Spamhaus Block List (SBL) is a realtime database of IP addresses of spam sources, including known spammers, spam gangs, spam operations and spam support services. SBL listings are made according to policies outlined in SBL Policy & Listing Criteria.

What is SBL listing?

The Spamhaus Block List (SBL) is a list of IPs of spam sources, including known spammers, spam gangs, spam operations, spam support services or has sent unsolicited email to the Spamhaus trap network. Listings occur at the IP level. The impact on deliverability is high.

What is SBL Spamhaus org?

The Spamhaus Block List (“SBL”) Advisory is a database of IP addresses from which Spamhaus does not recommend the acceptance of electronic mail. The SBL is used both as a sender IP blocklist and as a URI blocklist (SBL is very effective as a URI blocklist).

What is multi Surbl org?

A DNS query of a domain or IP address taken from a URI can be sent in the form of spamdomain.example.multi.surbl.org or 4.3.2.1.multi.surbl.org. The multi DNS zone return records contain codes that indicate which list contains the queried for domain or IP address. Many spam filters support use of SURBL.

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Why is my IP being blocked by Spamhaus?

Why Was My IP Address Blocklisted On Spamhaus? When an IP is noticeably sending spam, they are listed on blocklists, otherwise known as DNSBLs. These blocklists protect email users from opening potentially harmful spam sent from IP addresses displaying suspicious activity.

Is Spamhaus org legit?

Spamhaus is an international blacklist organization founded in Europe in 1998. The key blacklists Spamhaus manages include ZEN, BCL, XBL, SBL, PBL, and DBL. The ZEN Blacklist. Probably the most common Spamhaus listing is the ZEN blacklist.

Is Spamhaus reliable?

It is important to remember that Spamhaus plays an integral role in protecting email as a viable form of communication. Their track record as a reliable source for identifying malicious or unwanted email communications is impeccable and we know they don’t take incidents like this lightly.