diff -ruN --exclude conf-* rblsmtpd-0.70/INSTALL rblsmtpd-0.70.fix/INSTALL
--- rblsmtpd-0.70/INSTALL	Tue Aug 25 10:58:22 1998
+++ rblsmtpd-0.70.fix/INSTALL	Wed Aug  9 17:24:27 2000
@@ -71,20 +71,49 @@
        quit
        221 rblsmtpd.local
 
+10. See if rblsmtpd understands A record lookups:
+       % env TCPREMOTEIP=127.0.0.2 rblsmtpd -r \
+         "relays.mail-abuse.org:Open relay" echo whoops
+       rblsmtpd: pid ...: 451 Open relay
+       220 rblsmtpd.local
+       help
+       451 Open relay
+       quit
+       221 rblsmtpd.local
+
+11. See if rblsmtpd understands A record lookups with %IP% interpolation:
+       % env TCPREMOTEIP=127.0.0.2 rblsmtpd -r \
+         "relays.mail-abuse.org:See mail-abuse.org/cgi-bin/nph-rss?%IP%" \
+         echo whoops
+       rblsmtpd: pid ...: 451 See mail-abuse.org/cgi-bin/nph-rss?127.0.0.2
+       220 rblsmtpd.local
+       help
+       451 See mail-abuse.org/cgi-bin/nph-rss?127.0.0.2
+       quit
+       221 rblsmtpd.local
+
 
 How to reject mail from sites listed on the RBL:
 
-10. Insert rblsmtpd before the real SMTP server in your tcpserver line.
+12. Insert rblsmtpd before the real SMTP server in your tcpserver line.
     For example, with sendmail, you can run
        # tcpserver -v 0 25 rblsmtpd sendmail -bs &
     See rblsmtpd.0 and antirbl.0 for further documentation.
 
-11. Send some test messages from other hosts to make sure that normal
+13. Send some test messages from other hosts to make sure that normal
     mail still works.
 
-12. Send a test message to nelson-rbl-test@crynwr.com from the same
+14. Send a test message to nelson-rbl-test@crynwr.com from the same
     host. You should receive one response message showing a blocked SMTP
     conversation.
+
+15. If you want to reject mail from sites listed on MAPS RSS, you need to
+    use A lookups rather than TXT, and supply your own error message, since
+    TXT records were discontinued as of August 8, 2000. Here is how to get
+    the same message that used to be in the TXT records:
+       # tcpserver -v 0 25 rblsmtpd -r \
+         "relays.mail-abuse.org:Open relay problem - see <URL:http://www.mail-abuse.org/cgi-bin/nph-rss?%IP%>" \
+         sendmail -bs &
 
 
 That's it! To report success:
diff -ruN --exclude conf-* rblsmtpd-0.70/rblsmtpd.8 rblsmtpd-0.70.fix/rblsmtpd.8
--- rblsmtpd-0.70/rblsmtpd.8	Tue Aug 25 10:58:22 1998
+++ rblsmtpd-0.70.fix/rblsmtpd.8	Wed Aug  9 17:07:57 2000
@@ -9,6 +9,9 @@
 .B \-R
 ] [
 .B \-r \fIdomain
+[
+.BR : replystring
+]
 ] [
 .B \-t \fItimeout
 ]
@@ -96,6 +99,21 @@
 .B rblsmtpd
 uses the contents of the TXT record
 as an error message for the client.
+
+If
+.I domain
+does not include TXT records, an alternative reply string may be specified
+with
+.B \-r
+with a colon separating it from the domain. rblsmtpd then uses an A lookup
+instead of TXT, and uses the alternative reply string in the error message.
+If
+.I replystring
+contains the string
+.BR \%IP\% ,
+then the value of
+.B $TCPREMOTEIP
+will be substituted at that point in the error message.
 .SH "TEMPORARY ERRORS"
 Normally
 .B rblsmtpd
diff -ruN --exclude conf-* rblsmtpd-0.70/rblsmtpd.c rblsmtpd-0.70.fix/rblsmtpd.c
--- rblsmtpd-0.70/rblsmtpd.c	Tue Aug 25 10:58:22 1998
+++ rblsmtpd-0.70.fix/rblsmtpd.c	Wed Aug  9 17:11:19 2000
@@ -101,7 +101,7 @@
 
 void usage()
 {
-  strerr_die1x(100,"rblsmtpd: usage: rblsmtpd [ -b ] [ -R ] [ -r domain ] [ -t timeout ] smtpd [ arg ... ]");
+  strerr_die1x(100,"rblsmtpd: usage: rblsmtpd [ -b ] [ -R ] [ -r domain [:replytring] ] [ -t timeout ] smtpd [ arg ... ]");
 }
 
 void main(argc,argv)
diff -ruN --exclude conf-* rblsmtpd-0.70/txt.c rblsmtpd-0.70.fix/txt.c
--- rblsmtpd-0.70/txt.c	Tue Aug 25 10:58:22 1998
+++ rblsmtpd-0.70.fix/txt.c	Wed Aug  9 17:19:13 2000
@@ -14,6 +14,7 @@
 #include "str.h"
 #include "fmt.h"
 #include "ip.h"
+#include "env.h"
 
 static unsigned short getshort(c) unsigned char *c;
 { unsigned short u; u = c[0]; return (u << 8) + c[1]; }
@@ -32,6 +33,17 @@
   int len;
   unsigned char *pos;
   unsigned char *end;
+  char *altreply;
+  int wanttype=T_TXT;
+  int mindatalen=1;
+
+  i = str_chr(base, ':');
+  if (base[i]) {
+    base[i] = 0;
+    altreply = base+i+1;
+    wanttype = T_A;
+    mindatalen = 4;
+  }
 
   if (!stralloc_ready(sa,100 + str_len(base))) return -1;
   x = sa->s;
@@ -43,7 +55,7 @@
   *x = 0;
 
   errno = 0;
-  len = res_query(sa->s,C_IN,T_TXT,response.buf,sizeof response);
+  len = res_query(sa->s,C_IN,wanttype,response.buf,sizeof response);
   if (len < sizeof(HEADER)) {
     if (errno == ECONNREFUSED) return -1;
     if (h_errno == TRY_AGAIN) return -1;
@@ -72,11 +84,32 @@
     if (i < 0) return -1;
     pos += i;
 
-    if (end - pos < 11) return -1;
-    if (getshort(pos) == T_TXT) {
-      i = (unsigned long) pos[10];
-      if (pos + 11 + i > end) return -1;
-      if (!stralloc_copyb(sa,pos + 11,i)) return -1;
+    if (end - pos < 10 + mindatalen) return -1;
+    if (getshort(pos) == wanttype) {
+      if (wanttype==T_TXT) {
+        i = (unsigned long) pos[10];
+        if (pos + 11 + i > end) return -1;
+        if (!stralloc_copyb(sa,pos + 11,i)) return -1;
+      } else {
+        if(!stralloc_copys(sa, "")) return -1;
+        while(*altreply) {
+          i = str_chr(altreply, '%');
+          if(!stralloc_catb(sa, altreply, i)) return -1;
+          if(altreply[i] &&
+             altreply[i+1]=='I' &&
+             altreply[i+2]=='P' &&
+             altreply[i+3]=='%') {
+            x=env_get("TCPREMOTEIP");
+            if(!stralloc_catb(sa, x, str_len(x))) return -1;
+            altreply+=i+4;
+          } else if(altreply[i]) {
+            if(!stralloc_cats(sa, "%")) return -1;
+            altreply+=i+1;
+          } else {
+            altreply+=i;
+          }
+        }
+      }
       return 1;
     }