RE: opendkim AUTH pass-es for received mail, but fails on forward ...

From: Murray S. Kucherawy <msk_at_cloudmark.com>
Date: Tue, 10 Apr 2012 23:59:19 +0000

> -----Original Message-----
> From: locuse_at_mm.st [mailto:locuse_at_mm.st]
> Sent: Tuesday, April 10, 2012 4:53 PM
> To: Murray S. Kucherawy; opendkim-users_at_lists.opendkim.org
> Subject: Re: opendkim AUTH pass-es for received mail, but fails on forward ...
>
> I changed my own opendkim server's config,
>
> SignHeaders
> message-id,date,from,reply-to,mime-version,to,subject,content-
> type,content-transfer-encoding
> - #OmitHeaders header1,header2
> + OmitHeaders date
>
> then restarted opendkim. re-sent the external email, checked the
> headers of the received, forwarded message, and *still*,
>
> ...

Next step: Set "Diagnostics" to "True", and try again; this time for the forwarded copy, paste the entire header block.

This will cause the signature to include a full copy of all the header fields it signed, so you can manually see what was altered in transit (assuming of course the body wasn't modified).

If this doesn't nail it, we pull out the big guns. :-)

-MSK
Received on Tue Apr 10 2012 - 23:59:32 PST