acl: handle DKIM temp errors

1 files changed, 4 insertions, 0 deletions

diff --git a/conf.d/020_acl.conf b/conf.d/020_acl.conf
index af56f6b..1014dd1 100644
--- a/conf.d/020_acl.conf
+++ b/conf.d/020_acl.conf
@@ -161,6 +161,10 @@ acl_mta_data:
 # Global var to enable mandatory signature check:
 #   dkim_verify_signers = $sender_address_domain:$dkim_signers
 acl_mta_dkim:
+  defer    dkim_status   = invalid
+           message       = [DKIM] Could not proceed through validation ($dkim_verify_reason). \
+                           Please try again later.
+
   deny     dkim_status   = fail
            message       = [DKIM] invalid signature ($dkim_verify_reason).