On 07/31/2018 12:08 PM, Graeme Fowler via Exim-users wrote: > X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; > c=relaxed/relaxed; > d=open-t.co.uk; s=20170820; h=Content-Transfer-Encoding:Content-Type:... > > The second one has included headers which I would not expect to be present on > a message from a client to a mailing list. It also includes them in the DKIM > sig - yet they don't exist, or shouldn't, at the submission stage.
Oversigning. It gives an assertion that the header is not present. Exim can do it; it's not default - see the last para. in the description of dkim_sign_headers. -- Cheers, Jeremy -- ## List details at https://lists.exim.org/mailman/listinfo/exim-users ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://wiki.exim.org/