Re: Signature broken for replies

From: John Massai <massaijohn_at_gmail.com>
Date: Fri, 18 Sep 2015 17:42:00 -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:
>
> In-Reply-To:
> <GRPhs2139td_7V6He90TLhrC1Rbh0oSwgHEgNferLJnwLtm+1=d_at_mail.gmail.com>
> References: <439kf8b8h20hg098sg798ih39823hig78.host_at_my-domain.com>
> <GRPhs2139td_7V6He90TLhrC1Rbh0oSwgHEgNferLJnwLtm+1=d_at_mail.gmail.com>

Using OmitHeaders, I narrowed it down to the In-Reply-To header.

Is it best to remove In-Reply-To from consideration by opendkim or is
there something else that needs to be fixed?
Received on Sat Sep 19 2015 - 00:42:12 PST