--- a/mod_log_auth/mod_log_auth.lua	Sun Mar 08 20:00:23 2020 +0100
+++ b/mod_log_auth/mod_log_auth.lua	Tue Mar 10 20:42:27 2020 +0100
@@ -6,14 +6,14 @@
 	module:hook("authentication-failure", function (event)
 		local session = event.session;
 		local username = session.username or session.sasl_handler and session.sasl_handler.username or "?";
-		session.log("info", "Failed authentication attempt (%s) for user %s from IP: %s",
-			event.condition or "unknown-condition", username, session.ip or "?");
+		session.log("info", "Failed authentication attempt (%s) for user %s@%s from IP: %s",
+			event.condition or "unknown-condition", username, module.host,  session.ip or "?");
 	end);
 end
 
 if mode == "success" or mode == "all" then
 	module:hook("authentication-success", function (event)
 		local session = event.session;
-		session.log("info", "Successful authentication as %s from IP: %s", session.username, session.ip or "?");
+		session.log("info", "Successful authentication as %s@%s from IP: %s", session.username, module.host, session.ip or "?");
 	end);
 end