*** proto.m4.893.orig	Wed Feb 10 18:27:32 1999
--- proto.m4.893	Wed Feb 10 18:29:15 1999
***************
*** 1112,1121 ****
  ifdef(`_RBL_', `dnl
  # DNS based IP address spam lists
  R$*			$: $&{client_addr}
! R$-.$-.$-.$-		$: $(host $4.$3.$2.$1._RBL_. $: OK $)
! ROK			$@ OK
! R$+			$#error $@ 5.7.1 $: "Mail from " $&{client_addr} " refused by blackhole site _RBL_"',
  `dnl')
  
  ######################################################################
  ###  check_mail -- check SMTP ``MAIL FROM:'' command argument
--- 1112,1130 ----
  ifdef(`_RBL_', `dnl
  # DNS based IP address spam lists
  R$*			$: $&{client_addr}
! R$-.$-.$-.$-		$: <?> $(host $4.$3.$2.$1._RBL_. $: OK $)
! R<?>OK			$: OKSOFAR
! R<?>$+			$#error $@ 5.7.1 $: "Mail from " $&{client_addr} " refused; see http://maps.vix.com/rbl/"',
  `dnl')
+ 
+ ifdef(`_ORBS_', `dnl
+ # ORBS project checks -- http://www.orbs.org/
+ R$*			$: $&{client_addr}
+ R$-.$-.$-.$-		$: <?> $(host $4.$3.$2.$1._ORBS_. $: OK $)
+ R<?>OK			$: OKSOFAR
+ R<?>$+			$#error $@ 5.7.1 $: "Mail from " $&{client_addr} " refused; see http://www.orbs.org/"',
+   `dnl')
+   
  
  ######################################################################
  ###  check_mail -- check SMTP ``MAIL FROM:'' command argument