The InterServer DNS-based Blackhole List is a spam trap DNSBL. This list does not take spam reports from third parties. All blocking is done based on email received to their multiple spam trap email addresses throughout their network.

Interserver Reports Sources Of Spam

Spam-based Blacklists are those that will list either single IP Addresses or entire ranges that have actually received Spam, i.e. Unsolicited Bulk Email (UBE) in their Spamtraps from an IP-Address. This could be a result of a compromised email account, an Open Relay, or simply sending mass emails / marketing and not following best practices according to the "CAN-SPAM Act of 2003" (ref: https://en.wikipedia.org/wiki/CAN-SPAM_Act_of_2003)

Interserver Automatically Delists Entries

This blacklist does not offer any form of manual request to delist. Your IP Address will either automatically expire from listing after a given timeframe, or after time expires from the last receipt of spam into their spamtraps from your IP Address.

More information about INTERSERVER can be found at their website: http://rbldata.interserver.net

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