Mailman lists (reply-to) break OpenDKIM signatures

From: Benoit Panizzon <panizzon_at_woody.ch>
Date: Mon, 14 Jan 2013 13:51:12 +0100

Hello out there

I noticed that the DKIM verification fails if an email is forwarded via a
Mailman Mailinglist.

I suppose the problem is, that we have configured most of the mailinglists to
add a reply-to header to have repliest sent to the list and reply-to is a
header that was signed in the original email.

Can I just add OmitHeaders = Reply-to or is this a required header to be
signed?
If so, how could I solve the problem?

-Benoit-

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Received on Mon Jan 14 2013 - 12:51:29 PST