diff --git a/snippets/exim4.conf b/snippets/exim4.conf
index 824bcaf..745bd51 100644
--- a/snippets/exim4.conf
+++ b/snippets/exim4.conf
@@ -24,7 +24,7 @@ acl_rcpt:
   require verify = recipient
 
   # SPF check
-  deny  message = Access denied
+  deny  message = Access denied (1)
         spf = fail
 
   # Greylisting
@@ -32,12 +32,12 @@ acl_rcpt:
         !seen = 72h / key=${sender_address}_${local_part}@${domain}
 
   # Rate limit
-  deny  message = Access denied
+  deny  message = Access denied (2)
         ratelimit = 10 / 10m / strict
 
   accept condition = ${if match_domain{$domain}{+forward_domains}{yes}{no}}
 
-  deny  message = Access denied
+  deny  message = Access denied (x)
 
 acl_data:
   warn  dkim_status = invalid