On Mon, 19 Mar 2018 11:53:19 -0400 Bill Cole wrote: > On 19 Mar 2018, at 11:29, Sebastian Arcus wrote: > > > I've been seeing a number of false positives recently from > > T_DKIM_INVALID with Gmail emails. Are some Gmail servers > > misconfigured,
> There are LOTS of ways to break a DKIM signature. Including signing non-existent List-* headers and then posting to a mailing list. DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=open-t.co.uk; s=20170820; h=Content-Transfer-Encoding:Content-Type: MIME-Version:Date:Message-ID:Subject:From:To:Sender:Reply-To:Cc:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:In-Reply-To:References:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive;...
