From owner-freebsd-current@freebsd.org Mon Feb 17 16:56:26 2020 Return-Path: Delivered-To: freebsd-current@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 9678923ECAB for ; Mon, 17 Feb 2020 16:56:26 +0000 (UTC) (envelope-from imb@protected-networks.net) Received: from mail.protected-networks.net (mail.protected-networks.net [IPv6:2001:470:8d59:1::8]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "mail.protected-networks.net", Issuer "Protected Networks CA" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 48LqrS1PpFz45b3 for ; Mon, 17 Feb 2020 16:56:23 +0000 (UTC) (envelope-from imb@protected-networks.net) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d= protected-networks.net; h=content-transfer-encoding :content-language:content-type:content-type:mime-version :user-agent:date:date:message-id:subject:subject:from:from :resent-message-id:resent-date:resent-from; s=201508; t= 1581958577; bh=/JrPSGavUul5GaLvHyigrJ5RBqhYl2PCUzRihkVb8kU=; b=W cIomMHaqGYfwbyeEe/CvpGTDZBCvd5FDtNd6GUAo6hY6HkpNIaOb+22s93NOs2In 9jv7sTZAdlkmld43o9QOMTpOfVLs0coyeEoOMiwhjwXwPSs3TPJAMX3VMYCAcM47 zYEOxtHarEiXRZqDE78QfY750BXZVhYCJjGIBAfN1k= Received: from toshi.auburn.protected-networks.net (toshi.auburn.protected-networks.net [192.168.1.10]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (Client did not present a certificate) (Authenticated sender: imb@mail.protected-networks.net) by mail.protected-networks.net (Postfix) with ESMTPSA id 134763449D for ; Mon, 17 Feb 2020 11:56:17 -0500 (EST) Resent-From: Michael Butler Resent-To: freebsd-current Resent-Date: Mon, 17 Feb 2020 11:56:17 -0500 Resent-Message-ID: <262319f3-852e-70c1-d0e2-a4b8fb31eb18@protected-networks.net> To: hostmaster@freebsd.org From: Michael Butler Subject: lame reverse DNS? Message-ID: Date: Mon, 17 Feb 2020 11:45:46 -0500 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0 MIME-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Language: en-NZ Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 48LqrS1PpFz45b3 X-Spamd-Bar: ----- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=protected-networks.net header.s=201508 header.b=W cIomMH; dmarc=none; spf=pass (mx1.freebsd.org: domain of imb@protected-networks.net designates 2001:470:8d59:1::8 as permitted sender) smtp.mailfrom=imb@protected-networks.net X-Spamd-Result: default: False [-5.03 / 15.00]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; R_DKIM_ALLOW(-0.20)[protected-networks.net:s=201508]; RCVD_TLS_ALL(0.00)[]; FROM_HAS_DN(0.00)[]; R_SPF_ALLOW(-0.20)[+mx:c]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; MIME_GOOD(-0.10)[text/plain]; TO_DN_NONE(0.00)[]; DMARC_NA(0.00)[protected-networks.net]; RCPT_COUNT_ONE(0.00)[1]; IP_SCORE(-3.53)[ip: (-9.36), ipnet: 2001:470::/32(-4.65), asn: 6939(-3.58), country: US(-0.05)]; DKIM_TRACE(0.00)[protected-networks.net:+]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; SUBJECT_ENDS_QUESTION(1.00)[]; ASN(0.00)[asn:6939, ipnet:2001:470::/32, country:US]; FORGED_RECIPIENTS(0.00)[hostmaster@freebsd.org,freebsd-current@freebsd.org]; MID_RHS_MATCH_FROM(0.00)[]; RCVD_COUNT_TWO(0.00)[2] X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 17 Feb 2020 16:56:26 -0000 Seems there's an issue with freebsd.org's reverse DNS resulting in refused email, e.g. Feb 17 08:58:54 mail postfix/smtpd[41811]: NOQUEUE: reject: RCPT from unknown[2610:1c1:1:606c::19:2]: 550 5.7.25 Client host rejected: cannot find your hostname, [2610:1c1:1:606c::19:2]; from= to= proto=ESMTP helo= Feb 17 10:55:52 mail postfix/smtpd[82117]: NOQUEUE: reject: RCPT from unknown[96.47.72.81]: 550 5.7.25 Client host rejected: cannot find your hostname, [96.47.72.81]; from= to= proto=ESMTP helo= Feb 17 11:11:15 mail postfix/smtpd[83299]: NOQUEUE: reject: RCPT from unknown[96.47.72.81]: 550 5.7.25 Client host rejected: cannot find your hostname, [96.47.72.81]; from= to= proto=ESMTP helo= Looking more closely .. /home/imb> host 2610:1c1:1:606c::19:2 Host 2.0.0.0.9.1.0.0.0.0.0.0.0.0.0.0.c.6.0.6.1.0.0.0.1.c.1.0.0.1.6.2.ip6.arpa not found: 2(SERVFAIL) /home/imb> host 96.47.72.81 Host 81.72.47.96.in-addr.arpa not found: 2(SERVFAIL) imb