listserver problems?

Ott Köstner ottk at
Thu Dec 18 12:43:46 UTC 2008

On Thursday 18 December 2008 1:47:01 pm Michael Scheidell wrote:
> might be generic listserver issues, but I noticed that at least on 
> freebsd-jail list, it does NOT strip out dkim/domainkeys signatures.
> that might not be to bad, but it does 'mung' the headers, so dkim signed 
> email passed through freebsd mailing list server comes back as a forged 
> signature.

Probably depends, how and with what software you check it. At least, SpamAssassin responds correctly to this signature:

X-Spam-Status: No, score=-3.5 required=5.0 tests=BAYES_50,DKIM_SIGNED,
Received: from ( [])
	by (Postfix) with ESMTP id D8CBEFD53A
	for <ottk at>; Thu, 18 Dec 2008 13:48:00 +0200 (EET)
Received: from ( [IPv6:2001:4f8:fff6::36])
	by (Postfix) with ESMTP id CF81916315A;
	Thu, 18 Dec 2008 11:47:13 +0000 (UTC)
	(envelope-from owner-freebsd-questions at
Received: from (localhost [])
	by (Postfix) with ESMTP id 9FDEC106571F;
	Thu, 18 Dec 2008 11:47:12 +0000 (UTC)
	(envelope-from owner-freebsd-questions at
Delivered-To: freebsd-questions at
Received: from ( [IPv6:2001:4f8:fff6::34])
	by (Postfix) with ESMTP id 7B19D1065679;
	Thu, 18 Dec 2008 11:47:03 +0000 (UTC)
	(envelope-from scheidell at
Received: from ( [])
	by (Postfix) with ESMTP id 338948FC32;
	Thu, 18 Dec 2008 11:47:03 +0000 (UTC)
	(envelope-from scheidell at
Received: from localhost (localhost [])
	by (Postfix) with ESMTP id 55E43E6089;
	Thu, 18 Dec 2008 06:47:02 -0500 (EST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple;; h=
	:message-id:received:received:x-virus-scanned; s=dkim; t=
	1229600821; bh=D2GNQjbJ0V6T+z6wbS0oY6z3CMZTNqKW4+nF83Mp06k=; b=Y
X-Amavis-Modified: Mail body modified (using disclaimer) -
X-Virus-Scanned: SpammerTrap(r) SME-150 1.89 at
Received: from ( [])
	by (Postfix) with ESMTP id E99E5E6088;
	Thu, 18 Dec 2008 06:47:01 -0500 (EST)
Received: from ([]) by
	with Microsoft SMTPSVC(6.0.3790.3959); 
	Thu, 18 Dec 2008 06:47:01 -0500
Message-ID: <494A3835.30302 at>
> whoever is working on the listservers can contact me for assistance on 
> it.  maybe just a postfix header IGNORE rule would strip it back out.

Talking about Mailman configuration, personally I would like if these mailinglists here had 'subject_prefix', something like


Mõõda oma inteneti kiirust / Test Your Internet speed

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