Signature broken for replies

From: John Massai <>
Date: Fri, 18 Sep 2015 17:24:09 -0700


Testing opendkim signatures by looking at Gmail authentication
results, normal messages are passing with dkim success. But if the
message is a reply, the dkim verification fails.

The extra headers included in the signature are In-Reply-To and
References. I hacked the MUA and caused those headers to be absent
while sending another reply and the signature worked again.

Those fields look something like this:

References: <>

Only other thing that could affect this is having the OversignHeaders
set to From?

What can I do to fix this?
Received on Sat Sep 19 2015 - 00:24:24 PST

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