--- smtpd.c	2012-05-12 14:01:58.000000000 +0200
+++ postfix-2.9.2/src/smtpd/smtpd.c	2012-04-24 21:30:36.000000000 +0200
@@ -4728,7 +4728,7 @@ static void smtpd_proto(SMTPD_STATE *sta
 		 && string_list_match(smtpd_forbid_cmds, argv[0].strval))) {
 		    msg_warn("non-SMTP command from %s: %.100s",
 			     state->namaddr, vstring_str(state->buffer));
-		    smtpd_chat_reply(state, "221 2.7.0 Error: Sorry, your input wasn't RFC5321 valid. Closing connection.");
+		    smtpd_chat_reply(state, "221 2.7.0 Error: I can break rules, too. Goodbye.");
 		    break;
 		}
 	    }