DNS blocklist service sorbs.net has ceased operation - remove from SBBS configuration

sorbs.net has ceased operation and should no longer be used by SBBS DNS blocklists.

Service Termination Notice Please note that this service has been decommissioned and will no longer contain reputation data (all queries will return NXDOMAIN). Given the wide range of potential replacement solutions in the market, Proofpoint cannot make specific recommendations nor endorse any specific replacement product.