mailcow-dockerized/data/conf/rspamd/local.d/rbl.conf

rbls {
  uceprotect1 {
    symbol = "RBL_UCEPROTECT_LEVEL1";
    rbl = "dnsbl-1.uceprotect.net";
  }
  uceprotect2 {
    symbol = "RBL_UCEPROTECT_LEVEL2";
    rbl = "dnsbl-2.uceprotect.net";
  }
  sorbs { 
    symbol = "RBL_SORBS"; 
    rbl = "dnsbl.sorbs.net";  
    returncodes { 
      # http:// www.sorbs.net/general/using.shtml 
      RBL_SORBS_HTTP = "127.0.0.2"; 
      RBL_SORBS_SOCKS = "127.0.0.3";  
      RBL_SORBS_MISC = "127.0.0.4"; 
      RBL_SORBS_SMTP = "127.0.0.5"; 
      RBL_SORBS_RECENT = "127.0.0.6"; 
      RBL_SORBS_WEB = "127.0.0.7";  
      RBL_SORBS_DUL = "127.0.0.10"; 
      RBL_SORBS_BLOCK = "127.0.0.8";  
      RBL_SORBS_ZOMBIE = "127.0.0.9"; 
    } 
  }
}