From owner-freebsd-questions@freebsd.org Mon Nov 26 16:59:21 2018 Return-Path: Delivered-To: freebsd-questions@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 63B57113C73D for ; Mon, 26 Nov 2018 16:59:21 +0000 (UTC) (envelope-from rwmaillists@googlemail.com) Received: from mail-wm1-x332.google.com (mail-wm1-x332.google.com [IPv6:2a00:1450:4864:20::332]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 7BC157CC65 for ; Mon, 26 Nov 2018 16:59:20 +0000 (UTC) (envelope-from rwmaillists@googlemail.com) Received: by mail-wm1-x332.google.com with SMTP id 79so17012773wmo.0 for ; Mon, 26 Nov 2018 08:59:20 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:subject:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=CHGfgeHi06ccab/8oREqzJNYqYZdtTPyNPDR/NSFraw=; b=cn4S0eCx8EL/TEEH6mu89Q768Yt1VVr2tK0vkQNbKKIrgLyZ0XWfln3BPcCTlUjPLc Ta8uEDoJNfhOzwBb5tBTQmI4OpmO+qZz5qHqf4dPuItYmx894uTIQTFvhaLd6WtvF6ym X6uJKBH9fbJX05IDADAKgT0vqyVOd7AbP8nXPWOrZO9JdUY6A/o1664R2aHLnoBheq5A nJKxgUW4PWYH23Dc/m8/yp50l0ShPvabbHehtXRW98JVHwdhR9bk2xaB9CMlA32YDgOD rYUxv03WO/ap1WnvWHt9Gk2TQU5AuSkVgmeTEZtXmgll7vUAGOnVLh051IZFu93j0otj U8Nw== X-Gm-Message-State: AGRZ1gLVujvEJjINQyTjM1ndH81XK2yGUz9BUc7/v4bCx3757Ravvh2m AiDvPnRE9y3l18eN7S9ToUwkGzuubLU= X-Google-Smtp-Source: AJdET5f1tzTeGz1CoD4xG+fgkMzKvnI0/LEFInm/GDhPMm9POSrB5+aOlsHCs5S7Nozm5eM0ECVUCA== X-Received: by 2002:a7b:c5d1:: with SMTP id n17mr24383951wmk.152.1543251558958; Mon, 26 Nov 2018 08:59:18 -0800 (PST) Received: from gumby.homeunix.com ([90.211.70.103]) by smtp.gmail.com with ESMTPSA id z13sm571181wrq.19.2018.11.26.08.59.17 for (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Mon, 26 Nov 2018 08:59:18 -0800 (PST) Date: Mon, 26 Nov 2018 16:59:16 +0000 From: RW To: freebsd-questions@freebsd.org Subject: Re: Invalid DKIM signatures in this list Message-ID: <20181126165916.6c6bf874@gumby.homeunix.com> In-Reply-To: References: <20181126125259.GB86999@admin.sibptus.ru> X-Mailer: Claws Mail 3.16.0 (GTK+ 2.24.32; amd64-portbld-freebsd11.1) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Rspamd-Queue-Id: 7BC157CC65 X-Spamd-Result: default: False [-4.32 / 15.00]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; R_DKIM_ALLOW(-0.20)[googlemail.com]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; FROM_HAS_DN(0.00)[]; R_SPF_ALLOW(-0.20)[+ip6:2a00:1450:4000::/36]; FREEMAIL_FROM(0.00)[googlemail.com]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-questions@freebsd.org]; TO_DN_NONE(0.00)[]; RCPT_COUNT_ONE(0.00)[1]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; RCVD_COUNT_THREE(0.00)[3]; IP_SCORE(-0.60)[ipnet: 2a00:1450::/32(-1.51), asn: 15169(-1.38), country: US(-0.09)]; TO_MATCH_ENVRCPT_ALL(0.00)[]; DKIM_TRACE(0.00)[googlemail.com:+]; MX_GOOD(-0.01)[cached: alt3.gmail-smtp-in.l.google.com]; DMARC_POLICY_ALLOW(-0.50)[googlemail.com,quarantine]; RCVD_IN_DNSWL_NONE(0.00)[2.3.3.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.0.4.6.8.4.0.5.4.1.0.0.a.2.list.dnswl.org : 127.0.5.0]; NEURAL_HAM_SHORT(-0.71)[-0.713,0]; RECEIVED_SPAMHAUS_PBL(0.00)[103.70.211.90.zen.spamhaus.org : 127.0.0.10]; FROM_EQ_ENVFROM(0.00)[]; FREEMAIL_ENVFROM(0.00)[googlemail.com]; ASN(0.00)[asn:15169, ipnet:2a00:1450::/32, country:US]; RCVD_TLS_LAST(0.00)[] X-Rspamd-Server: mx1.freebsd.org X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 26 Nov 2018 16:59:21 -0000 On Mon, 26 Nov 2018 17:10:27 +0100 (CET) Trond Endrest=C3=B8l wrote: > On Mon, 26 Nov 2018 19:52+0700, Victor Sudakov wrote: >=20 > > Dear Colleagues, > >=20 > > I have noticed that the Mailman which manages this list keeps the > > sender's "DKIM-Signature:" header intact but modifies the body of > > the message by adding a footer. =20 >=20 > Are you sure? >=20 > When I received your message, the hash was made up using Message-ID,=20 > Subject, To, From, Date, and In-Reply-To. I failed to find the latter=20 > field. That's legitimate, it signs the absence of that header if it's not present at the time of signing.=20