From owner-freebsd-questions@freebsd.org Mon Nov 26 18:58:35 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 695701140A58 for ; Mon, 26 Nov 2018 18:58:35 +0000 (UTC) (envelope-from rwmaillists@googlemail.com) Received: from mail-wr1-x435.google.com (mail-wr1-x435.google.com [IPv6:2a00:1450:4864:20::435]) (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 963C983022 for ; Mon, 26 Nov 2018 18:58:34 +0000 (UTC) (envelope-from rwmaillists@googlemail.com) Received: by mail-wr1-x435.google.com with SMTP id z5so15800329wrt.11 for ; Mon, 26 Nov 2018 10:58:34 -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=D5z31V9HgrHXvPWtKeM4588p3Q0quFxRRfJ0ujcrfZA=; b=FklAGhjcwjDK5DwhWix0moCRRvrLKyOeQ49sbTnVH8OGIVh0SkCeF+lDJZV8eWOEJC Ma3MS5ZI9xJ3lcVRNHRVam/Mrv5mi/jB7aoJnpOfKNYvHwsAmw9e8GVL8ivqH/X0uJWB VHpaG64irNlqRTmhmFYA7G+jkxSFFPT6rjGTYP4u5HUbsUcHWdeiSNAn/EIVJkkg39VI 1BwdEzlvqfZNh8b34VpnE5pfnzjjc/o/Ujir9SAW6GTUy+NpMoOO805hIt8cdDsktlqb 05RboVkuakhzduFZJykzQfoUnXATNHoeJBcFucasLwQBq9zRSE3caQWwQ4qnkILk4F0y y6mw== X-Gm-Message-State: AA+aEWbnpMtQQFI+Q2XCVaM9uVlyAsD55XIxAtXrIYwaU9qEJ6P/5d3v EWN1T9Sn/C9vGjmwyQ8i7sFD94cK4gw= X-Google-Smtp-Source: AFSGD/XZqLeS15I2oL4uhKTXDkqOvzLE9BhE3cAEOM7Kg6s69ArzKXwIdrLsVeyXdlSqI58K4DcNDg== X-Received: by 2002:adf:8264:: with SMTP id 91mr24065721wrb.312.1543258713252; Mon, 26 Nov 2018 10:58:33 -0800 (PST) Received: from gumby.homeunix.com ([90.211.70.103]) by smtp.gmail.com with ESMTPSA id i192sm1913773wmg.7.2018.11.26.10.58.32 for (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Mon, 26 Nov 2018 10:58:32 -0800 (PST) Date: Mon, 26 Nov 2018 18:58:30 +0000 From: RW To: freebsd-questions@freebsd.org Subject: Re: Invalid DKIM signatures in this list Message-ID: <20181126185830.18005da3@gumby.homeunix.com> In-Reply-To: <20181126172133.CDCDB2008E6098@ary.qy> References: <20181126125259.GB86999@admin.sibptus.ru> <20181126172133.CDCDB2008E6098@ary.qy> X-Mailer: Claws Mail 3.16.0 (GTK+ 2.24.32; amd64-portbld-freebsd11.1) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 963C983022 X-Spamd-Result: default: False [-4.37 / 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(-0.59)[ipnet: 2a00:1450::/32(-1.51), asn: 15169(-1.37), 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)[5.3.4.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.0.4.6.8.4.0.5.4.1.0.0.a.2.list.dnswl.org : 127.0.5.0]; NEURAL_HAM_SHORT(-0.77)[-0.765,0]; 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 18:58:35 -0000 On 26 Nov 2018 12:21:33 -0500 John Levine wrote: > In article <20181126125259.GB86999@admin.sibptus.ru> you write: > >Dear Colleagues, > > > >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. > > > >This behavior invalidates the sender's digital signature with > >"dkim=fail (body hash mismatch; body probably modified in > >transit)". ... > >Whom do I contact about it? > > Nobody. See RFC 6376, section 6.3. That's of very little relevance. This is mostly about failing DMARC.