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-rw-r--r--doc/doc-txt/experimental-spec.txt12
1 files changed, 10 insertions, 2 deletions
diff --git a/doc/doc-txt/experimental-spec.txt b/doc/doc-txt/experimental-spec.txt
index 7805c258e..0ad7f0de9 100644
--- a/doc/doc-txt/experimental-spec.txt
+++ b/doc/doc-txt/experimental-spec.txt
@@ -447,11 +447,19 @@ dmarc_history_file Defines the location of a file to log results
directory of this file is writable by the user
exim runs as.
-dmarc_forensic_sender The email address to use when sending a
+dmarc_forensic_sender Alternate email address to use when sending a
forensic report detailing alignment failures
if a sender domain's dmarc record specifies it
and you have configured Exim to send them.
- Default: do-not-reply@$default_hostname
+
+ If set, this is expanded and used for the
+ From: header line; the address is extracted
+ from it and used for the envelope from.
+ If not set, the From: header is expanded from
+ the dsn_from option, and <> is used for the
+ envelope from.
+
+ Default: unset.
3. By default, the DMARC processing will run for any remote,