Re: [exim] DKIM signature in outgoing emails

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Autor: Gót András
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A: exim-users
Assumpte: Re: [exim] DKIM signature in outgoing emails
On Fri, 16 Dec 2011 15:04:58 -0800, Murray S. Kucherawy wrote:
>> -----Original Message-----
>> From: exim-users-bounces+msk=cloudmark.com@???
>> [mailto:exim-users-bounces+msk=cloudmark.com@exim.org] On Behalf Of
>> andrej@???
>> Sent: Wednesday, December 14, 2011 2:26 AM
>> To: exim-users@???
>> Subject: [exim] DKIM signature in outgoing emails
>>
>> Dear List,
>>
>> Today I've found out that there's no identity (i=) in the DKIM
>> signature. I've googled a lot and cannot find any info relating to
>> this.
>> Can anyone help to include an identity field in the DKIM signature?
>
> I can't answer this in the exim context, but I'm curious: Are there
> receivers out there you know of that care what's in the "i=" value?
>
> -MSK


The dkimstatus plugin in roundcube gives a checkmark when identity
included and otherwise it gives an info message like this: "The message
was signed by a 3rd party". Actually gmail doesn't include the identity
value and facebook includes it. Of course I could modify the roundcube
plugin, but it would be nice if the i= could be included with exim.

This is in the RFC (http://www.ietf.org/rfc/rfc6376.txt):

"i= The Agent or User Identifier (AUID) on behalf of which the SDID is
taking responsibility (dkim-quoted-printable; OPTIONAL, default is
an empty local-part followed by an "@" followed by the domain from
the "d=" tag)."

Andras