SORBS (Spam and Open Relay Blocking System) is a list of e-mail servers suspected of sending or relaying spam (a DNS blacklist). It has been augmented with complementary lists that include various other classes of hosts, allowing for customized email rejection by its users.
Other articles related to "spam and open relay blocking system":
... Since the acquisition by Proofpoint, Inc ... full time support staff have been employed to answer delisting queries however the first round of answers to support requests are answered automatically by robot systems ...
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