--- a/plugins/mod_s2s.lua	Mon Jul 17 00:37:44 2023 +0200
+++ b/plugins/mod_s2s.lua	Mon Jul 17 01:38:54 2023 +0200
@@ -41,7 +41,7 @@
 local secure_domains, insecure_domains =
 	module:get_option_set("s2s_secure_domains", {})._items, module:get_option_set("s2s_insecure_domains", {})._items;
 local require_encryption = module:get_option_boolean("s2s_require_encryption", true);
-local stanza_size_limit = module:get_option_number("s2s_stanza_size_limit", 1024*512);
+local stanza_size_limit = module:get_option_integer("s2s_stanza_size_limit", 1024*512, 10000);
 
 local measure_connections_inbound = module:metric(
 	"gauge", "connections_inbound", "",