symbols = {
  "RBL_UCEPROTECT_LEVEL1" {
    score = 3.5;
  }
  "RBL_UCEPROTECT_LEVEL2" {
    score = 1.5;
  }
  "RECEIVED_SPAMHAUS_XBL" {
    weight = 0.0;
    description = "Received address is listed in ZEN XBL";
  }
  "RBL_INTERSERVER_BAD_URI" {
    score = 4.0;
    description = "Listed on Interserver RBL";
  }
  "RBL_INTERSERVER_BAD_IP" {
    score = 4.0;
    description = "Listed on Interserver RBL";
  }
}