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Mon, 25 Sep 2023 21:59:21 UTC Received: from mout.gmx.net (mout.gmx.net [212.227.15.19]) by mail.notmuchmail.org (Postfix) with ESMTPS id 38ABE60A4F for ; Mon, 25 Sep 2023 21:59:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=s31663417; t=1695679160; x=1696283960; i=telegraph@gmx.net; bh=PRF+JiudXY3KSrFqAOlObj2Av3mpYN2fwgeDq023sOQ=; h=X-UI-Sender-Class:From:To:Subject:In-Reply-To:References:Date; b=Chq4kOTT+hCr21g9QzRbt9J4YpkirE7tbNqSapRLUplmqWE9sXClKKJOcgWlWg7W0X7dASXKiQY ZJmQOe4jVxMUzfoq1824YmVIsjj7K+VehsrKUCJ17Q7ahE11rRGYuO8orEcLPL/a+su/7P/Sw9Rjn 5+FQol2ioqFNU5UmcW0Zj2MX/Vj5fT3WnvMdwzQ9fZ0F1mUHRJNVpuDdL45mzKhSegsJg5Ll40Ifm Y/F9erFRLhb3W8Q/1KSx/f9RcCP8V/iKNO8QAKaYQP4+naC/p/aClUUwc81V2DGTn5S5ICjlmy+l3 u1nr8upuvcYC5D5umiqEpzBhFE1+s5Rksfug== X-UI-Sender-Class: 724b4f7f-cbec-4199-ad4e-598c01a50d3a Received: from localhost ([95.90.236.143]) by mail.gmx.net (mrgmx004 [212.227.17.190]) with ESMTPSA (Nemesis) id 1MRCK6-1qzHgf0Wv6-00N7ua; Mon, 25 Sep 2023 23:54:13 +0200 From: Gregor Zattler To: Teemu Likonen , notmuch@notmuchmail.org Subject: Re: Fixed Message-ID trouble In-Reply-To: <874jjiskeo.fsf@iki.fi> References: <874jjiskeo.fsf@iki.fi> Mail-Followup-To: Teemu Likonen , notmuch@notmuchmail.org Date: Mon, 25 Sep 2023 23:53:34 +0200 Message-ID: <87o7hphqch.fsf@no.lan> MIME-Version: 1.0 X-Provags-ID: V03:K1:QrfXkwlfSrvsBzBtVeGWC7ky12A4NRwhDH8mI8MhxDQgmBcAU+o ZMcSiVo45jZ96kEQbeFgiiqo7pHerbrSa2ecJvUINW6YZKi4T+pg8DgxKB8OH+FBj8AjlXu JxhOEw/+U1rUUOcxhXN4AP3f2T2oWxSnyJwRwOXhO3IC2A4f4bASRtcKysocIJRJLWkkPqe gdLO1UugJ0tTDpK4V5ESg== UI-OutboundReport: notjunk:1;M01:P0:zqHYnix1bDw=;0q593Qtav2i8qXAM5Bf2BlAWTEb kZjnCyaztjiB1qtMwh4svvM8Wc0TCB+oeBgEfBEDQFNk1ABhkDjVAZAlkGMpwE2gosXW4VL2B xxKuH8N5CGy9igm56ryhmJHszw16MKad//QROdNARepl2ljrBQpZ1NaMu1Wb0sqYSKJHIC9h8 IQdnn1n8INVEq+nfuq5O+sGDZhyz/eAEDyx12fsZCit0XgKb8hHUiCUYjSq17xfF9n5UKx1iO KsaHbhMqgnvQi967GhGOzI7xRJWzsgIi0R6iCDoefQ9tkugDz72thVwXxgBqgppoVXX8e8R+c Arozoxtj3HUEZrlUV0K4voGeE0v6FwoU9fADhvmmopQts7myBwW8WeSJ8M3nztNU8Y9SPK5An +4WiTIDyh8T+UInGELlH/I+eElfxNb9mpzo8+8ta/WS/Xnyo5d441U7SIn+b2z0zsDizRVmZT /pEiMOrrRgRqNHY3fu1F2LFnBaHXzn7SV0MccV23Dqx2fF/h9NfW5FAOGjNsOvJqOH1Y+QMHB n7SBJGNqctCjwwXWYGQt9VE35VA2r8wVh+j83N24B72oseiS730fdct3pyhnK/U3fcQ81XEgw pub0R+s6pIy04Y1WZOtyHXfnSYUnhpRlbXF0KXWYIEQR72AjC6r/WssOHaQmTlUNhv+jXWaR3 5+Y1UjqnIJVMY8/Lwsb+8LTBS2MP2c0nOBLLFb+5SVKin6lQmENY9+hbdPwPaGF1V0xtyYDaP l9XJkpbzCb3ApXLSf2iD5kbepjV/od1R/ANCRQuw56sU5u/IW2Y0YcpFe7d9AWICXjhu5p2Lj JKTCydit/7CfTRpNdWJXaQ96yNCLMM+KBZbrvTNApeqFxk3h5uHRp3zl543VZ7LTaUHnwYNqJ 65a+ORhXjxe8b7PEJD6A82YOpjeC7+t27iDlFs5YfPorFA6jFv+heMrdvwt/4fwUbKX8FAuGl TP6n4tLL4syd8ms1FvAzi2RSa8c= Message-ID-Hash: RSNU5VU6BORSMP5MD35AXFZTFRN5Y5CD X-Message-ID-Hash: RSNU5VU6BORSMP5MD35AXFZTFRN5Y5CD X-MailFrom: telegraph@gmx.net X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-notmuch.notmuchmail.org-0; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.3 Precedence: list List-Id: "Use and development of the notmuch mail system." List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Migadu-Flow: FLOW_IN X-Migadu-Country: DE X-Migadu-Spam-Score: 0.18 X-Migadu-Scanner: mx2.migadu.com X-Migadu-Queue-Id: A8EB45B3EB X-Spam-Score: 0.18 X-TUID: eCCCxOp6bmJX Hi Teemu, notmuch users, * Teemu Likonen [2023-09-25; 11:54 +03]: > Some person on debian-user mailing list seems to be sending messages > with fixed Message-ID field: the same ID in different messages. In > Notmuch it is creating trouble because it connects unrelated threads to > one. The person has different messages in different threads but Notmuch > thinks they are the same message because the Message-ID is the same. > > This is potentially a "denial of service" for Notmuch. Well, not quite, > but is harmful nonetheless. How would a Notmuch user fix the mess or > protect himself against it? would you please give details of some such posts? Then other people are able to investigate. Ciao; Gregor