ARC: add $arc_oldest_pass variable, for verify

[exim.git] / doc / doc-txt / experimental-spec.txt

diff --git a/doc/doc-txt/experimental-spec.txt b/doc/doc-txt/experimental-spec.txt
index 5c823112363127abd427cafdfb88db2f5a1ea478..ac3f1cc23f6218c1b7530a663fe3ad5fa1ca0993 100644 (file)
--- a/doc/doc-txt/experimental-spec.txt
+++ b/doc/doc-txt/experimental-spec.txt
@@ -793,7 +793,13 @@ standard header.
        Note that it would be wise to strip incoming messages of A-R headers
        that claim to be from our own <admd-identifier>.
 
-There are two new variables: $arc_state and $arc_state_reason.
+There are three new variables: $arc_state, $arc_state_reason, $arc_domains:
+
+  $arc_state           One of pass, fail, none
+  $arc_state_reason    (if fail, why)
+  $arc_domains         colon-sep list of ARC chain domains, in chain order.
+                       problematic elements may have empty list elements
+  $arc_oldest_pass     lowest passing instance number of chain
 
 Receive log lines for an ARC pass will be tagged "ARC".