Yeah, looking for someone to have a peek at that. Rather Strange, to say the least.
I looked at the logs, there's quite a few, all seem from outlook hosted accounts.
-----Original Message----- From: mailop <mailop-boun...@mailop.org> On Behalf Of John Levine via mailop Sent: Friday, March 6, 2020 9:35 AM To: mailop@mailop.org Subject: [EXTERNAL] [mailop] Strange MIME headers from Microsoft Take a look at this archived message sent from an Outlook hosted user: https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fmailarchive.ietf.org%2Farch%2Fmsg%2Flast-call%2FxTEWTOyy4HOX-wyvFVaOicn2P-I%2F%23&data=02%7C01%7Cmichael.wise%40microsoft.com%7Cff4f318df5b24e654fb008d7c1f52e92%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C637191131102826023&sdata=%2Br4mkYri0davTs5Z3J4HCvcuGWtydtlexGxI8FykX%2Bs%3D&reserved=0 The Message-ID, ARC-Seal and some private headers are MIME encoded, like this: Message-ID: =?utf-8?q?=3CMWHPR1301MB209609A6C565A653FD477AA585E30=40MWHPR130?= =?utf-8?q?1MB2096=2Enamprd13=2Eprod=2Eoutlook=2Ecom=3E?= That is completely invalid under the mail standards (I checked with the guys who wrote them) and oddly pointless, since if you decode the MIME glop, it's an ordinary ASCII ID: Message-ID: <mwhpr1301mb209609a6c565a653fd477aa585...@mwhpr1301mb2096.namprd13.prod.outlook.com<mailto:mwhpr1301mb209609a6c565a653fd477aa585...@mwhpr1301mb2096.namprd13.prod.outlook.com>> I only see this in messages from outlook.com so I'm pretty sure they're doing it, not some intermediate system. Anyone there we can get to look at it and fix it? R's, John _______________________________________________ mailop mailing list mailop@mailop.org<mailto:mailop@mailop.org> https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fchilli.nosignal.org%2Fcgi-bin%2Fmailman%2Flistinfo%2Fmailop&data=02%7C01%7Cmichael.wise%40microsoft.com%7Cff4f318df5b24e654fb008d7c1f52e92%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C637191131102826023&sdata=0wdchpRx9ssEJ161kTFXs%2BuH1MkXr6JbgbGihxubCx8%3D&reserved=0
Regards, John Levine, jo...@taugh.com, Taughannock Networks, Trumansburg NY Please consider the environment before reading this e-mail. https://jl.ly _______________________________________________ mailop mailing list mailop@mailop.org https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop
