Spamhaus Project
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Reputation Checker
1

Can the BCL block legitimate traffic?

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Can the BCL block legitimate traffic?

The BCL’s primary objective is to avoid ‘false positives’ while blocking as much malicious traffic as possible.

  • BCL false positives are extremely rare.
  • Since BCL is a subset of SBL, every BCL listing is based on an investigation by one of the Spamhaus SBL team members.
  • BCL does not contain any automated listings: all listings on BCL have been issued and reviewed by a human.
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