[Rework] Rbl: Rework defaults logic

conf/modules.d/rbl.conf

 # Module documentation can be found at  https://rspamd.com/doc/modules/rbl.html
 
 rbl {
-  default_from = true;
-  default_received = false;
   default_exclude_users = true;
+  default_exclude_local = true;
   default_unknown = true;
+  default_dkim_domainonly = true;
+  default_dkim_match_from = false;
+  default_ipv4 = true;
+  default_ipv6 = true;
 
   url_whitelist = [
     "https://maps.rspamd.com/rspamd/surbl-whitelist.inc.zst",
     spamhaus {
       symbol = "SPAMHAUS"; # Augmented by prefixes
       rbl = "zen.spamhaus.org";
-      ipv6 = true;
+      # Check types
       received = true;
       from = true;
+
       symbols_prefixes = {
         received = 'RECEIVED',
         from = 'RBL',
       symbol = "MAILSPIKE";
       rbl = "rep.mailspike.net";
       is_whitelist = true;
+      from = true; # Check source IP address
       whitelist_exception = "MAILSPIKE";
       whitelist_exception = "RWL_MAILSPIKE_GOOD";
       whitelist_exception = "RWL_MAILSPIKE_NEUTRAL";
 
     senderscore {
       symbol = "RBL_SENDERSCORE";
+      from = true; # Check source IP address
       rbl = "bl.score.senderscore.com";
     }
 
       symbol = "RBL_SEM";
       rbl = "bl.spameatingmonkey.net";
       ipv6 = false;
+      from = true; # Check source IP address
     }
 
     semIPv6 {
       rbl = "bl.ipv6.spameatingmonkey.net";
       ipv4 = false;
       ipv6 = true;
+      from = true; # Check source IP address
     }
 
     dnswl {
       symbol = "RCVD_IN_DNSWL";
       rbl = "list.dnswl.org";
       ipv6 = true;
+      from = true; # Check source IP address
+      received = true; # Check source IP address
       is_whitelist = true;
       whitelist_exception = "RCVD_IN_DNSWL";
       whitelist_exception = "RCVD_IN_DNSWL_NONE";
       symbol = "RBL_VIRUSFREE_UNKNOWN";
       rbl = "bip.virusfree.cz";
       ipv6 = true;
+      from = true; # Check source IP address
       returncodes {
         RBL_VIRUSFREE_BOTNET = "127.0.0.2";
       }
       symbol = "RBL_NIXSPAM";
       rbl = "ix.dnsbl.manitu.net";
       ipv6 = true;
+      from = true; # Check source IP address
     }
 
     blocklistde {
       from = true;
     }
 
+    # Dkim whitelist
     dnswl_dwl {
       symbol = "DWL_DNSWL";
       rbl = "dwl.dnswl.org";
         DWL_DNSWL_BLOCKED = "127.0.0.255";
       }
     }
-    # Old emails module
+
     RSPAMD_EMAILBL {
       ignore_whitelist = true;
       ignore_defaults = true;
       emails_delimiter = ".";
-      emails = true;
       hash_format = "base32";
       hash_len = 32;
       rbl = "email.rspamd.com";
-      replyto = true;
+      emails = true; # Emails in body
+      replyto = true; # Email from reply-to header
       hash = "blake2";
       returncodes = {
         RSPAMD_EMAILBL = "127.0.0.2";
       ignore_whitelist = true;
       ignore_defaults = true;
       rbl = "ebl.msbl.org";
-      emails = true;
+      emails = true; # Emails in body
+      replyto = true; # Email from reply-to header
       emails_domainonly = false;
-      replyto = true;
       hash = "sha1";
       returncodes = {
         MSBL_EBL = [
       rbl = "multi.surbl.org";
       dkim = true;
       emails = true;
-      emails_domainonly = true;
       urls = true;
+      emails_domainonly = true;
 
       returnbits = {
         CRACKED_SURBL = 128; # From February 2016
       rbl = "multi.uribl.com";
       dkim = true;
       emails = true;
-      emails_domainonly = true;
       urls = true;
+      emails_domainonly = true;
 
       returnbits {
         URIBL_BLOCKED = 1;
       rbl = "uribl.rspamd.com";
       dkim = true;
       emails = true;
-      emails_domainonly = true;
       urls = true;
+      emails_domainonly = true;
       hash = 'blake2';
       hash_len = 32;
       hash_format = 'base32';

src/plugins/lua/rbl.lua

   ['default_enabled'] = true,
   ['default_ipv4'] = true,
   ['default_ipv6'] = true,
-  ['default_received'] = false,
-  ['default_from'] = true,
   ['default_unknown'] = false,
-  ['default_rdns'] = false,
-  ['default_helo'] = false,
-  ['default_dkim'] = false,
   ['default_dkim_domainonly'] = true,
-  ['default_emails'] = false,
-  ['default_urls'] = false,
   ['default_emails_domainonly'] = false,
   ['default_exclude_private_ips'] = true,
   ['default_exclude_users'] = false,
   ['default_exclude_local'] = true,
   ['default_no_ip'] = false,
-  ['default_images'] = false,
-  ['default_replyto'] = false,
   ['default_dkim_match_from'] = false,
 }