Educause Security Discussion mailing list archives
Re: Ironport DKIM
From: Scott Beardsley <scott () CSE UCDAVIS EDU>
Date: Thu, 1 Apr 2010 10:51:16 -0700
We have DKIM (with DNSSEC) running on our mail server (check the headers!).Umm... I'm failing to see any DKIM-related headers in it by the time it passed through the Listserv and arrived at my site?
Ya... looks like the listserv strips them. :( Here is an example that I sent to gmail (afaict gmail.com does not yet distinguish between insecure and secure domains): Received-SPF: pass (google.com: domain of scott () cse ucdavis edu designates 128.120.246.11 as permitted sender) client-ip=128.120.246.11; Authentication-Results: mx.google.com; spf=pass (google.com: domain of scott () cse ucdavis edu designates 128.120.246.11 as permitted sender) smtp.mail=scott () cse ucdavis edu; dkim=pass header.i=@cse.ucdavis.edu Received: from webmail.cse.ucdavis.edu (shell.cse.ucdavis.edu [128.120.246.8]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) (Authenticated sender: sbeards () cse ucdavis edu) by mail.cse.ucdavis.edu (Postfix) with ESMTPSA id B8DE93DE9B for <sc0ttbeardsley () gmail com>; Wed, 31 Mar 2010 16:31:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=cse.ucdavis.edu; s=mail; t=1270078284; bh=Lf0wJWASg7v0rKOVmANUpoZCMXlQsdGTCuXo/TgXzas=; h=MIME-Version:Date:From:To:Subject:Message-ID: Content-Transfer-Encoding:Content-Type; b=WmO06VKAborCfneweGW0Cx/RAJLfyhX6yb7qZRCdIyHvacxMkS18jRvm5GYowq6Am XGB+vi3ff38yuIvQOaaK3e41Ng0CBGaz3xy6xzkriJ1V4iIDwvYoaPBt3XcQ84g+GB QFTK4vh3xySiRGXkBdTIuCRKZVjnm+H4ca+J6fI4=
Current thread:
- Ironport DKIM song (Apr 01)
- <Possible follow-ups>
- Re: Ironport DKIM Scott Beardsley (Apr 01)
- Re: Ironport DKIM Dexter Caldwell (Apr 01)
- Re: Ironport DKIM Georgia Killcrece (Apr 01)
- Re: Ironport DKIM Valdis Kletnieks (Apr 01)
- Re: Ironport DKIM Scott Beardsley (Apr 01)
- Re: Ironport DKIM Jesse Thompson (Apr 01)
- Re: Ironport DKIM Scott Beardsley (Apr 01)
- Re: Ironport DKIM Walter Petruska (Apr 02)