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-rw-r--r--doc/doc-txt/experimental-spec.txt7
1 files changed, 7 insertions, 0 deletions
diff --git a/doc/doc-txt/experimental-spec.txt b/doc/doc-txt/experimental-spec.txt
index 373d9dc4c..3b8a73428 100644
--- a/doc/doc-txt/experimental-spec.txt
+++ b/doc/doc-txt/experimental-spec.txt
@@ -585,6 +585,13 @@ identify the ADMD. Messages should be ARC-verified on entry to the ADMD,
and ARC-signed on exit from it.
+Building with ARC Support
+--
+Enable using EXPERIMENTAL_ARC=yes in your Local/Makefile.
+You must also have DKIM present (not disabled), and you very likely
+want to have SPF enabled.
+
+
Verification
--
An ACL condition is provided to perform the "verifier actions" detailed