Add Header of DomainKeys status

[N Alaudeen <na...@gmail.com>]

Greetings,

Using SpamAssassin 3.2.5 and Exim 4.71.

I want to *add* the status of the DomainKeys in message *header *for
incoming emails, such as "X-DK-Status: pass". (We can see the DomainKeys
Signature on email header.)

Is it possible to add header as mentioned in SpamAssassin by adding module
and configuring accordingly?.

Extract from Header:

*DomainKey-Signature: a=rsa-sha1; c=nofws;
        d=gmail.com; s=gamma;
        h=mime-version:date:message-id:subject:from:to:content-type;
        b=F3ALOfOTeWyGdqg2hT33ZtCLeteiYoKxkN2I8pnRPMR0zppZQKYgLfyM2i68UZNBRw

oHdZ6sXXQLREY6sGtivvAYZQxq3PiK3AWY6J7SYwdyBnyPrX6I1th9NshfL1M/OPhjDj
         uAsRwrTJhkDvKMznU1zNjhbsDPJlbOFHN07+o=

*Regards

Alaudeen

Re: Add Header of DomainKeys status

[N Alaudeen <na...@gmail.com>]

Hello Martinec,

Thank you for your response. I am adding DKIM Result in header using EXIM
4.71 configuration. But, it seems, this version does not support adding DK
result in header. Some companies still configure only DK and not DKIM. We
are in need of verifying both and adding the same in header.

I will also try other alternatives you have suggested.

Warm regards,

Sikkandar

On Mon, Apr 12, 2010 at 5:28 AM, Mark Martinec
<Ma...@ijs.si>
> wrote:

> On Monday April 12 2010 00:17:57 N Alaudeen wrote:
> > Using SpamAssassin 3.2.5 and Exim 4.71.
> > I want to *add* the status of the DomainKeys in message *header *for
> > incoming emails, such as "X-DK-Status: pass". (We can see the DomainKeys
> > Signature on email header.)
>
> There exists a RFC 5451 defining a header field Authentication-Results,
> which is intended for just this purpose:
>
>  Message Header Field for Indicating Message Authentication Status
>
> > Is it possible to add header as mentioned in SpamAssassin by adding
> module
> > and configuring accordingly?.
>
> It would be possible to create a plugin to prepare such a header field
> based on results obtained from a DKIM plugin. It would also be possible
> to enhance the DKIM plugin to do so. The implementation problem
> that I see is that current mechanism for inserting header fields
> insists that all added header field names start with "X-Spam-" .
>
> You can open an enhancement request. Or use some other solution that
> already provides such functionality (like an OpenDKIM milter, or
> amavisd-new).
>
>  Mark
>

Re: Add Header of DomainKeys status

[Mark Martinec <Ma...@ijs.si>]

On Monday April 12 2010 00:17:57 N Alaudeen wrote:
> Using SpamAssassin 3.2.5 and Exim 4.71.
> I want to *add* the status of the DomainKeys in message *header *for
> incoming emails, such as "X-DK-Status: pass". (We can see the DomainKeys
> Signature on email header.)

There exists a RFC 5451 defining a header field Authentication-Results,
which is intended for just this purpose:

  Message Header Field for Indicating Message Authentication Status

> Is it possible to add header as mentioned in SpamAssassin by adding module
> and configuring accordingly?.

It would be possible to create a plugin to prepare such a header field
based on results obtained from a DKIM plugin. It would also be possible
to enhance the DKIM plugin to do so. The implementation problem
that I see is that current mechanism for inserting header fields
insists that all added header field names start with "X-Spam-" .

You can open an enhancement request. Or use some other solution that
already provides such functionality (like an OpenDKIM milter, or amavisd-new).

  Mark