In article <c7e3f8c4-d397-e413-56d2-f9fa34950...@bluepopcorn.net> you write: >-=-=-=-=-=- > >On 7/11/18 5:15 PM, Brandon Long wrote: >So essentially we're creating a bunch of header bloat (creating >duplicate header fields with different names where that could be >avoided) because there are some MTAs that did not follow the >specifications before.
Not really. Removing A-R headers and DKIM signatures that you know you've broken is perfectly legit. >While that was ~14 years ago and storage is >cheaper now, we're talking about a lot more space than just a public key. The header bloat war was over years ago, and bloat won. See the headers below from a Hotmail message I just sent to myself. And remember that most messages have two copies of the contents, one as text and one as overformatted HTML. R's, John Received: from APC01-PU1-obe.outbound.protection.outlook.com (mail-oln040092254069.outbound.protection.outlook.com [40.92.254.69]) by mail1.iecc.com ([64.57.183.56]) with ESMTPS (TLS1.2/X.509/SHA384) via TCP port 4832/25 id 593422434; 12 Jul 2018 01:33:45 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=outlook.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=yheKLMok/AWsFgQSOudb3SeVpVLTechgX2xwJg55q1I=; b=fSMMmynOZ/yvG4APRjHNPV6dEp5BL4cqFrWDuhwGP1TrOFjBAKfK90feS2C0m8fYLSCpxLT5kVicGIRKU4/m8mnkhAddsiYJyH1YndV++hcuWdYczcC+J4BTOjyGoI6nHG0huyk4JNCdDbUDkOrBJVtnzBuUV7bul1/HiRpByRmwjJEblpDmwL39unVb5BsraL4LI4tFpVg7SoSN8JknQkQhEehEy4y/KKrjf0BWfTevXijH/SUIuhfTtvivBNYk3nttmGb/UzZnppsg0K60B1Spzkt5a+MDVfb0WcxOW96pbW+JZBDUQL2DJzYEeMO2XwU0KzvI2VeTo+FFbsaJfg== Received: from PU1APC01FT054.eop-APC01.prod.protection.outlook.com (10.152.252.53) by PU1APC01HT025.eop-APC01.prod.protection.outlook.com (10.152.253.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P384) id 15.20.952.17; Thu, 12 Jul 2018 01:33:40 +0000 Received: from MA1PR01MB0504.INDPRD01.PROD.OUTLOOK.COM (10.152.252.58) by PU1APC01FT054.mail.protection.outlook.com (10.152.253.117) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.20.952.17 via Frontend Transport; Thu, 12 Jul 2018 01:33:40 +0000 Received: from MA1PR01MB0504.INDPRD01.PROD.OUTLOOK.COM ([fe80::80d8:30b7:8b9:76b8]) by MA1PR01MB0504.INDPRD01.PROD.OUTLOOK.COM ([fe80::80d8:30b7:8b9:76b8%6]) with mapi id 15.20.0952.017; Thu, 12 Jul 2018 01:33:40 +0000 From: John Levine <xn--ls...@outlook.com> To: "jo...@taugh.com" <jo...@taugh.com> Subject: foonly Thread-Topic: foonly Thread-Index: AQHUGYBbeUQDz4tOwk+dGC+Hc9JmZA== Date: Thu, 12 Jul 2018 01:33:40 +0000 Message-ID: <ma1pr01mb0504324a40284b728f144030e4...@ma1pr01mb0504.indprd01.prod.outlook.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-incomingtopheadermarker: OriginalChecksum:A7C19D09C7AEA4F3F77D7470D7304AD8D473C0A6D230F3D30521AB146ABFE106;UpperCasedChecksum:396480D49DF29DCCCFBA5A280F6FA9AC7D936435C538895B009E6EE3C82D4242;SizeAsReceived:6935;Count:44 x-ms-exchange-messagesentrepresentingtype: 1 x-tmn: [EXz7oC/i7RDIxsz0et96krw+RIvK/ZpBSSdECXooGiWEUcOlu9MA/OlkbCP8PsXYKWXUaXqoDgk=] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1;PU1APC01HT025;7:MrJzcL3Ttgoo5VtNuOX58QnjyQ9+Dos0iMozs6RfU6mvKY6vaW/B9Ta309AzLchfmM/OI+ejlE8BZ63HPBTs1d7sj4m7AXNELVE0UWzMtt5pOfCHXuTDuaQXyu+0caU6ZayNj66ow1OOqvmegxS5mykVWw9cO0GXW90Wpk6olG3kSxqjOJ5MUPeznySFTRBi7zx8SVTbvJCwvmEWFvbawwc29O1FjyBBePky3s56CRq2eQqu9Iw314XajfL253HU x-incomingheadercount: 44 x-eopattributedmessage: 0 x-microsoft-antispam: UriScan:;BCL:0;PCL:0;RULEID:(7020095)(201702061078)(5061506573)(5061507331)(1603103135)(2017031320274)(2017031324274)(2017031323274)(2017031322404)(1603101448)(1601125500)(1701031045);SRVR:PU1APC01HT025; x-ms-traffictypediagnostic: PU1APC01HT025: x-exchange-antispam-report-cfa-test: BCL:0;PCL:0;RULEID:(82015058);SRVR:PU1APC01HT025;BCL:0;PCL:0;RULEID:;SRVR:PU1APC01HT025; x-forefront-prvs: 0731AA2DE6 x-forefront-antispam-report: SFV:NSPM;SFS:(7070007)(199004)(189003)(8676002)(2351001)(104016004)(102836004)(1730700003)(7696005)(81156014)(8936002)(105586002)(68736007)(45080400002)(588024002)(74316002)(97736004)(14454004)(2900100001)(25786009)(33656002)(4270600006)(606006)(6916009)(5250100002)(7116003)(3480700004)(5660300001)(106356001)(2501003)(7066003)(105004)(558084003)(426003)(6306002)(54896002)(53376002)(99286004)(55016002)(476003)(20460500001)(256004)(236005)(82202002)(17480700002)(53366004)(87572001)(46003)(6436002)(86362001)(19627405001)(486006)(5640700003)(221733001)(6346003)(135393001)(217283001)(220243001)(42262002)(10090945008);DIR:OUT;SFP:1901;SCL:1;SRVR:PU1APC01HT025;H:MA1PR01MB0504.INDPRD01.PROD.OUTLOOK.COM;FPR:;SPF:None;PTR:InfoNoRecords;A:1;MX:1;LANG:; received-spf: None (protection.outlook.com: outlook.com does not designate permitted sender hosts) authentication-results: spf=none (sender IP is ) smtp.mailfrom=xn--ls...@outlook.com; x-microsoft-antispam-message-info: 1hB2K4YT2O0kPIKFQFuK5MkKMpbq//Nz/nLHv3mR53oy2kxliK+wcoRfC4T7Kotj5h28m5YlpaQo0VMqKn8eIBw0m7fXOJemQf57W/hJPBNKbS1QLGCUw7O+p8YzveR2lTuTG/2/HMkXax0aiMcWmW17N/Xs73U40tMus0egk0NXZa2WdNRNKIEDPkwJH/BEaausYzwOuKlQQFzNMy+IPBp8RhpA43XvIJLmI3uCrO4= Content-Type: multipart/alternative; boundary="_000_MA1PR01MB0504324A40284B728F144030E4590MA1PR01MB0504INDP_" MIME-Version: 1.0 X-OriginatorOrg: outlook.com X-MS-Exchange-CrossTenant-RMS-PersistedConsumerOrg: f12efbb0-867f-4c93-8261-502eceebfafa X-MS-Exchange-CrossTenant-Network-Message-Id: 78a9bde9-00e8-4b24-8c25-08d5e7977f35 X-MS-Exchange-CrossTenant-rms-persistedconsumerorg: f12efbb0-867f-4c93-8261-502eceebfafa X-MS-Exchange-CrossTenant-originalarrivaltime: 12 Jul 2018 01:33:40.2226 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Internet X-MS-Exchange-CrossTenant-id: 84df9e7f-e9f6-40af-b435-aaaaaaaaaaaa X-MS-Exchange-Transport-CrossTenantHeadersStamped: PU1APC01HT025 _______________________________________________ dmarc mailing list dmarc@ietf.org https://www.ietf.org/mailman/listinfo/dmarc