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Diffstat (limited to 'doc/doc-txt/experimental-spec.txt')
| -rw-r--r-- | doc/doc-txt/experimental-spec.txt | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/doc/doc-txt/experimental-spec.txt b/doc/doc-txt/experimental-spec.txt index 3389632a2..bc5bab77d 100644 --- a/doc/doc-txt/experimental-spec.txt +++ b/doc/doc-txt/experimental-spec.txt @@ -802,7 +802,8 @@ arc_sign = <admd-identifier> : <selector> : <privkey> An option on the smtp transport, which constructs and prepends to the message an ARC set of headers. The textually-first Authentication-Results: header is used as a basis (you must have added one on entry to the ADMD). -Expanded; if unset, empty or forced-failure then no signing is done. +Expanded as a whole; if unset, empty or forced-failure then no signing is done. +If it is set, all three elements must be non-empty. |