--- qmail-smtpd.c.orig	Mon Jun 15 19:53:16 1998
+++ qmail-smtpd.c	Fri Jul 23 14:10:17 2004
@@ -50,6 +50,7 @@
 void straynewline() { out("451 See http://pobox.com/~djb/docs/smtplf.html.\r\n"); flush(); _exit(1); }
 
 void err_bmf() { out("553 sorry, your envelope sender is in my badmailfrom list (#5.7.1)\r\n"); }
+void err_brt() { out("553 sorry, your envelope recipient is in my badrcptto list (#5.7.1)\r\n"); { extern stralloc addr; char *s; s = "badrcptto: "; write(2, s, str_len(s)); write(2, addr.s, addr.len - 1); write(2, "\n", 1); } }
 void err_nogateway() { out("553 sorry, that domain isn't in my list of allowed rcpthosts (#5.7.1)\r\n"); }
 void err_unimpl() { out("502 unimplemented (#5.5.1)\r\n"); }
 void err_syntax() { out("555 syntax error (#5.5.4)\r\n"); }
@@ -96,6 +97,9 @@
 int bmfok = 0;
 stralloc bmf = {0};
 struct constmap mapbmf;
+int brtok = 0;
+stralloc brt = {0};
+struct constmap mapbrt;
 
 void setup()
 {
@@ -116,6 +120,10 @@
   if (bmfok == -1) die_control();
   if (bmfok)
     if (!constmap_init(&mapbmf,bmf.s,bmf.len,0)) die_nomem();
+  brtok = control_readfile(&brt,"control/badrcptto",0);
+  if (brtok == -1) die_control();
+  if (brtok)
+    if (!constmap_init(&mapbrt,brt.s,brt.len,0)) die_nomem();
  
   if (control_readint(&databytes,"control/databytes") == -1) die_control();
   x = env_get("DATABYTES");
@@ -208,6 +216,13 @@
   return 0;
 }
 
+int brtcheck()
+{
+  if (!brtok) return 0;
+  if (constmap(&mapbrt,addr.s,addr.len - 1)) return 1;
+  return 0;
+}
+
 int addrallowed()
 {
   int r;
@@ -251,6 +266,8 @@
   if (!seenmail) { err_wantmail(); return; }
   if (!addrparse(arg)) { err_syntax(); return; }
   if (flagbarf) { err_bmf(); return; }
+  flagbarf = brtcheck();
+  if (flagbarf) { err_brt(); return; }
   if (relayclient) {
     --addr.len;
     if (!stralloc_cats(&addr,relayclient)) die_nomem();