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Check DKIM Authentication-Results (#3583)
Fix #3507 Note that this is not intended for a release at this point! We first have to test whether it runs stable enough. If we want to make a release while we are not confident enough in authres-checking, then we have to disable it. BTW, most of the 3000 new lines are in `test_data/messages/dkimchecks...`, not the actual code da3a4b94 adds the results to the Message info. It currently does this by adding them to `hop_info`. Maybe we should rename `hop_info` to `extra_info` or something; this has the disadvantage that we can't rename the sql column name though. Follow-ups for this could be: - In `update_authservid_candidates()`: Implement the rest of the algorithm @hpk42 and me thought about. What's missing is remembering how sure we are that these are the right authserv-ids. Esp., when receiving a message sent from another account at the same domain, we can be quite sure that the authserv-ids in there are the ones of our email server. This will make authres-checking work with buzon.uy, disroot.org, yandex.ru, mailo.com, and riseup.net. - Think about how we present this to the user - e.g. currently the only change is that we don't accept key changes, which will mean that the small lock on the message is not shown. - And it will mean that we can fully enable AEAP, after revisiting the security implications of this, and assuming everyone (esp. @link2xt who pointed out the problems in the first place) feels comfortable with it.
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Hocuri
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Authentication-Results: mxpostfix01.mail.de;
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dkim=pass (2048-bit key; unprotected) header.d=aol.com header.i=@aol.com header.b="cMT1rpDE";
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dkim-atps=neutral
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From: <alice@aol.com>
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To: bot <alice@mail.de>
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Authentication-Results: mxpostfix02.mail.de;
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dkim=pass (2048-bit key; unprotected) header.d=buzon.uy header.i=@buzon.uy header.b="apWsl1gh";
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dkim-atps=neutral
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From: <alice@buzon.uy>
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To: bot <alice@mail.de>
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Authentication-Results: mxpostfix01.mail.de; dkim=none; dkim-atps=neutral
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From: <alice@delta.blinzeln.de>
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To: bot <alice@mail.de>
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Authentication-Results: secure-mailgate.com; auth=pass smtp.auth=91.203.111.88@webbox222.server-home.org
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Authentication-Results: mxpostfix03.mail.de;
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dkim=pass (2048-bit key; secure) header.d=disroot.org header.i=@disroot.org header.b="h1fPYPvx";
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dkim-atps=neutral
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From: <alice@disroot.org>
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To: bot <alice@mail.de>
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@@ -0,0 +1,6 @@
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Authentication-Results: mxpostfix02.mail.de;
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dkim=pass (2048-bit key; unprotected) header.d=fastmail.com header.i=@fastmail.com header.b="Tt2wMg3b";
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dkim=pass (2048-bit key; unprotected) header.d=messagingengine.com header.i=@messagingengine.com header.b="kVONgiOo";
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dkim-atps=neutral
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From: <alice@fastmail.com>
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To: bot <alice@mail.de>
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@@ -0,0 +1,5 @@
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Authentication-Results: mxpostfix02.mail.de;
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dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="SQcyDRqs";
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dkim-atps=neutral
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From: <alice@gmail.com>
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To: bot <alice@mail.de>
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@@ -0,0 +1,7 @@
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Authentication-Results: mxpostfix03.mail.de;
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dkim=pass (2048-bit key; unprotected) header.d=hotmail.com header.i=@hotmail.com header.b="CU2s8rqP";
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dkim-atps=neutral
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ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=none; dmarc=none;
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dkim=none; arc=none
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From: <alice@hotmail.com>
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To: bot <alice@mail.de>
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@@ -0,0 +1,5 @@
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Authentication-Results: mxpostfix03.mail.de;
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dkim=pass (2048-bit key; unprotected) header.d=icloud.com header.i=@icloud.com header.b="JhbBMJeY";
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dkim-atps=neutral
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From: <alice@icloud.com>
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To: bot <alice@mail.de>
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Authentication-Results: mxpostfix01.mail.de;
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dkim=pass (1024-bit key; secure) header.d=ik.me header.i=@ik.me header.b="NKw1/mI8";
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dkim-atps=neutral
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From: <alice@ik.me>
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To: bot <alice@mail.de>
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Authentication-Results: mxpostfix02.mail.de;
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dkim=pass (2048-bit key; unprotected) header.d=mail.ru header.i=@mail.ru header.b="JKR9v9aG";
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dkim-atps=neutral
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From: <alice@mail.ru>
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To: bot <alice@mail.de>
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Authentication-Results: smtpng1.m.smailru.net; auth=pass smtp.auth=alice@mail.ru smtp.mailfrom=alice@mail.ru
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Authentication-Results: mxpostfix03.mail.de;
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dkim=pass (1024-bit key; unprotected) header.d=mailo.com header.i=@mailo.com header.b="WNL8tBaQ";
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dkim-atps=neutral
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From: <alice@mailo.com>
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To: bot <alice@mail.de>
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@@ -0,0 +1,7 @@
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Authentication-Results: mxpostfix03.mail.de;
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dkim=pass (2048-bit key; unprotected) header.d=outlook.com header.i=@outlook.com header.b="lZ/3SL2c";
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dkim-atps=neutral
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ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=none; dmarc=none;
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dkim=none; arc=none
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From: <alice@outlook.com>
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To: bot <alice@mail.de>
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Authentication-Results: mxpostfix03.mail.de;
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dkim=pass (2048-bit key; secure) header.d=posteo.de header.i=@posteo.de header.b="q9Kd4g/Y";
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dkim-atps=neutral
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From: <alice@posteo.de>
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To: bot <alice@mail.de>
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Authentication-Results: mxpostfix02.mail.de;
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dkim=pass (1024-bit key; secure) header.d=riseup.net header.i=@riseup.net header.b="kACrHe55";
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dkim-atps=neutral
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From: <alice@riseup.net>
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To: bot <alice@mail.de>
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Authentication-Results: mxpostfix01.mail.de;
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dkim=pass (2048-bit key; unprotected) header.d=yahoo.com header.i=@yahoo.com header.b="si+QZzxa";
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dkim-atps=neutral
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From: <alice@yahoo.com>
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To: bot <alice@mail.de>
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Authentication-Results: mxpostfix01.mail.de;
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dkim=pass (1024-bit key; unprotected) header.d=yandex.ru header.i=@yandex.ru header.b="dsSyS3ny";
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dkim-atps=neutral
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Authentication-Results: iva4-143b1447cf50.qloud-c.yandex.net; dkim=pass header.i=@yandex.ru
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From: <alice@yandex.ru>
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To: <alice@mail.de>
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Authentication-Results: mxpostfix01.mail.de; dkim=none; dkim-atps=neutral
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From: forged-authres-added@example.com
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Authentication-Results: aaa.com; dkim=pass header.i=@example.com
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Authentication-Results: aaa.com; dkim=pass header.i=@example.com
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