Re: Fake paypal email triggers -7.5 USER_IN_DEF_DKIM_WL From: address is in the default DKIM

Mark London <[email protected]>
Newsgroups gmane.mail.spam.spamassassin.general
Message-ID <[email protected]> 
This my pet peeve.   I set USER_IN_DEF_DKIM_WL  to 0.001 a long time 
ago, and it hasn't affected me at all.

But my view is probably not mainstream.

As an aside, I've added rules to filter for the recent fake requests for 
money, that abuse that feature, which exists on  PAYPAL and VENMO.  
Rules can be easily created to detect these fake requests, if you look 
at some the examples that come through.  They aren't very sophisticated. 
FWIW.

Now I'll go back into hiding, - Mark

On 1/29/2025 3:23 AM, Niamh Holding wrote:
> Hello
>
> Given the From: address can be so easily faked is a rule testing its validity a great idea?
>
>
> Headers-
>
> Return-Path: <[email protected]>
> X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on iron.holtain.net
> X-Spam-Level:
> X-Spam-Status: No, score=-6.5 required=4.5 autolearn=no autolearn_force=no
> X-Spam-Report:
>          *  0.0 RCVD_IN_MSPIKE_H2 RBL: Average reputation (+2)
>          *      [40.93.128.29 listed in wl.mailspike.net]
>          * -0.0 SPF_PASS SPF: sender matches SPF record
>          *  0.0 HEADER_FROM_DIFFERENT_DOMAINS From and EnvelopeFrom 2nd level
>          *      mail domains are different
>          * -0.0 SPF_HELO_PASS SPF: HELO matches SPF record
>          * -7.5 USER_IN_DEF_DKIM_WL From: address is in the default DKIM
>          *      welcome-list
>          *  0.1 MIME_HTML_ONLY BODY: Message only has text/html MIME parts
>          *  0.0 HTML_MESSAGE BODY: HTML included in message
>          *  0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily
>          *       valid
>          * -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from
>          *      author's domain
>          * -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature
>          *  1.3 RCVD_IN_VALIDITY_RPBL RBL: Relay in Validity RPBL,
>          *      https://senderscore.org/blocklistlookup/
>          *      [40.93.128.29 listed in bl.score.senderscore.com]
>          * -0.0 T_SCC_BODY_TEXT_LINE No description available.
>          *  1.0 POSSIBLE_PAYPAL_PHISH_03 Claims to be from paypal, sent to
>          *      Microsoft365 domain - likely fraud if you don't use MSFT365!
>          *  0.0 T_REMOTE_IMAGE Message contains an external image
>          * -1.3 DKIMWL_WL_HIGH DKIMwl.org - High trust sender
> X-Spam-Relays-Untrusted: [ ip=40.93.128.29
>          rdns=mail-eastasiaazlp17011029.outbound.protection.outlook.com
>          helo=HK3PR03CU002.outbound.protection.outlook.com by=iron.holtain.net
>          ident= envfrom= intl=0 id=8EA1DC000546 auth= msa=0 ] [
>          ip=2603:1096:405:8e::12 rdns=TYSPR04MB8220.apcprd04.prod.outlook.com
>          helo=TYSPR04MB8220.apcprd04.prod.outlook.com
>          by=TYZPR04MB7906.apcprd04.prod.outlook.com ident= envfrom= intl=0
>          id=15.20.8377.21 auth= msa=0 ] [ ip=2603:1096:820:11b::9
>          rdns=KL1PR04MB7539.apcprd04.prod.outlook.com
>          helo=KL1PR04MB7539.apcprd04.prod.outlook.com
>          by=TYSPR04MB8220.apcprd04.prod.outlook.com ident= envfrom= intl=0
>          id=15.20.8377.21 auth= msa=0 ] [ ip=fe80::b078:df3:b558:4f13 rdns=
>          helo=KL1PR04MB7539.apcprd04.prod.outlook.com
>          by=KL1PR04MB7539.apcprd04.prod.outlook.com ident= envfrom= intl=0 id=
>          auth= msa=0 ] [ ip=2603:1096:4:b8::34
>          rdns=SGXP274CA0022.SGPP274.PROD.OUTLOOK.COM
>          helo=SGXP274CA0022.SGPP274.PROD.OUTLOOK.COM
>          by=TYZPR04MB7271.apcprd04.prod.outlook.com ident= envfrom= intl=0
>          id=15.20.8377.21 auth= msa=0 ] [ ip=2603:1096:4:b8:cafe::6f
>          rdns=SG2PEPF000B66CE.apcprd03.prod.outlook.com
>          helo=SG2PEPF000B66CE.apcprd03.prod.outlook.com
>          by=SGXP274CA0022.outlook.office365.com ident= envfrom= intl=0
>          id=15.20.8398.17 auth= msa=0 ] [ ip=2a01:111:f403:48::209
>          rdns=EUR03-VI1-obe.outbound.protection.outlook.com
>          helo=EUR03-VI1-obe.outbound.protection.outlook.com
>          by=SG2PEPF000B66CE.mail.protection.outlook.com ident= envfrom= intl=0
>          id=15.20.8398.14 auth= msa=0 ] [ ip=2603:10a6:5:10::31
>          rdns=DB7P192MB0331.EURP192.PROD.OUTLOOK.COM
>          helo=DB7P192MB0331.EURP192.PROD.OUTLOOK.COM
>          by=AS8P192MB2065.EURP192.PROD.OUTLOOK.COM ident= envfrom= intl=0
>          id=15.20.8377.22 auth= msa=0 ] [ ip=fe80::306f:e2a6:6620:fff0 rdns=
>          helo=DB7P192MB0331.EURP192.PROD.OUTLOOK.COM
>          by=DB7P192MB0331.EURP192.PROD.OUTLOOK.COM ident= envfrom= intl=0 id=
>          auth= msa=0 ] [ ip=2603:10a6:10:120::12
>          rdns=DB8PR06CA0038.eurprd06.prod.outlook.com
>          helo=DB8PR06CA0038.eurprd06.prod.outlook.com
>          by=PAWP192MB2250.EURP192.PROD.OUTLOOK.COM ident= envfrom= intl=0
>          id=15.20.8377.22 auth= msa=0 ] [ ip=2603:10a6:10:120:cafe::e9
>          rdns=DU2PEPF00028CFD.eurprd03.prod.outlook.com
>          helo=DU2PEPF00028CFD.eurprd03.prod.outlook.com
>          by=DB8PR06CA0038.outlook.office365.com ident= envfrom= intl=0
>          id=15.20.8377.22 auth= msa=0 ] [ ip=66.211.170.90
>          rdns=mx4.phx.paypal.com helo=mx4.phx.paypal.com
>          by=DU2PEPF00028CFD.mail.protection.outlook.com ident= envfrom= intl=0
>          id=15.20.8398.14 auth= msa=0 ]
> X-Spam-Language: en
> X-Spam-DKIM-i: @paypal.com
> X-Spam-DKIM-d: paypal.com
> X-Original-To: [email protected]
> Delivered-To: [email protected]
> Received-SPF: Pass (mailfrom) identity=mailfrom; client-ip=40.93.128.29; helo=hk3pr03cu002.outbound.protection.outlook.com; [email protected]; receiver=<UNKNOWN>
> DMARC-Filter: OpenDMARC Filter v1.4.2 iron.holtain.net 8EA1DC000546
> Authentication-Results: iron.holtain.net; dmarc=pass (p=reject dis=none) header.from=paypal.com
> Authentication-Results: iron.holtain.net; spf=pass smtp.mailfrom=smpn7wonogiri.sch.id
> DKIM-Filter: OpenDKIM Filter v2.11.0 iron.holtain.net 8EA1DC000546
> Authentication-Results: iron.holtain.net;
>          dkim=pass (2048-bit key, unprotected) header.d=paypal.com [email protected] header.a=rsa-sha256 header.s=pp-dkim1 header.b=Ti5ZlN8t
> Received: from HK3PR03CU002.outbound.protection.outlook.com (mail-eastasiaazlp17011029.outbound.protection.outlook.com [40.93.128.29])
>          by iron.holtain.net (Postfix) with ESMTPS id 8EA1DC000546
>          for <[email protected]>; Tue, 28 Jan 2025 18:08:36 +0000 (GMT)
> Received: from TYSPR04MB8220.apcprd04.prod.outlook.com (2603:1096:405:8e::12)
>   by TYZPR04MB7906.apcprd04.prod.outlook.com (2603:1096:405:a9::11) with
>   Microsoft SMTP Server (version=TLS1_2,
>   cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8377.21; Tue, 28 Jan
>   2025 18:08:28 +0000
> Received: from KL1PR04MB7539.apcprd04.prod.outlook.com (2603:1096:820:11b::9)
>   by TYSPR04MB8220.apcprd04.prod.outlook.com (2603:1096:405:8e::12) with
>   Microsoft SMTP Server (version=TLS1_2,
>   cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8377.21; Tue, 28 Jan
>   2025 18:08:00 +0000
> Received: from KL1PR04MB7539.apcprd04.prod.outlook.com
>   ([fe80::b078:df3:b558:4f13]) by KL1PR04MB7539.apcprd04.prod.outlook.com
>   ([fe80::b078:df3:b558:4f13%3]) with mapi id 15.20.8377.021; Tue, 28 Jan 2025
>   18:07:59 +0000
> Received: from SGXP274CA0022.SGPP274.PROD.OUTLOOK.COM (2603:1096:4:b8::34) by
>   TYZPR04MB7271.apcprd04.prod.outlook.com (2603:1096:400:44f::6) with Microsoft
>   SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id
>   15.20.8377.21; Tue, 28 Jan 2025 17:50:17 +0000
> Received: from SG2PEPF000B66CE.apcprd03.prod.outlook.com
>   (2603:1096:4:b8:cafe::6f) by SGXP274CA0022.outlook.office365.com
>   (2603:1096:4:b8::34) with Microsoft SMTP Server (version=TLS1_3,
>   cipher=TLS_AES_256_GCM_SHA384) id 15.20.8398.17 via Frontend Transport; Tue,
>   28 Jan 2025 17:50:17 +0000
> Authentication-Results: spf=softfail (sender IP is 2a01:111:f403:48::209)
>   smtp.mailfrom=euroland.fr; dkim=pass (signature was verified)
>   header.d=paypal.com;dmarc=pass action=none header.from=paypal.com;
> Received-SPF: SoftFail (protection.outlook.com: domain of transitioning
>   euroland.fr discourages use of 2a01:111:f403:48::209 as permitted sender)
> Received: from EUR03-VI1-obe.outbound.protection.outlook.com
>   (2a01:111:f403:48::209) by SG2PEPF000B66CE.mail.protection.outlook.com
>   (2603:1096:f:fff5:0:1:0:5) with Microsoft SMTP Server (version=TLS1_3,
>   cipher=TLS_AES_256_GCM_SHA384) id 15.20.8398.14 via Frontend Transport; Tue,
>   28 Jan 2025 17:50:16 +0000
> Received: from DB7P192MB0331.EURP192.PROD.OUTLOOK.COM (2603:10a6:5:10::31) by
>   AS8P192MB2065.EURP192.PROD.OUTLOOK.COM (2603:10a6:20b:5bd::19) with Microsoft
>   SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id
>   15.20.8377.22; Tue, 28 Jan 2025 17:50:13 +0000
> Received: from DB7P192MB0331.EURP192.PROD.OUTLOOK.COM
>   ([fe80::306f:e2a6:6620:fff0]) by DB7P192MB0331.EURP192.PROD.OUTLOOK.COM
>   ([fe80::306f:e2a6:6620:fff0%5]) with mapi id 15.20.8377.021; Tue, 28 Jan 2025
>   17:50:13 +0000
> Received: from DB8PR06CA0038.eurprd06.prod.outlook.com (2603:10a6:10:120::12)
>   by PAWP192MB2250.EURP192.PROD.OUTLOOK.COM (2603:10a6:102:34e::21) with
>   Microsoft SMTP Server (version=TLS1_2,
>   cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8377.22; Tue, 28 Jan
>   2025 17:49:51 +0000
> Received: from DU2PEPF00028CFD.eurprd03.prod.outlook.com
>   (2603:10a6:10:120:cafe::e9) by DB8PR06CA0038.outlook.office365.com
>   (2603:10a6:10:120::12) with Microsoft SMTP Server (version=TLS1_3,
>   cipher=TLS_AES_256_GCM_SHA384) id 15.20.8377.22 via Frontend Transport; Tue,
>   28 Jan 2025 17:49:51 +0000
> Authentication-Results-Original: spf=pass (sender IP is 66.211.170.90)
>   smtp.mailfrom=paypal.com; dkim=pass (signature was verified)
>   header.d=paypal.com;dmarc=pass action=none header.from=paypal.com;
> Received-SPF: Pass (protection.outlook.com: domain of paypal.com designates
>   66.211.170.90 as permitted sender) receiver=protection.outlook.com;
>   client-ip=66.211.170.90; helo=mx4.phx.paypal.com; pr=C
> Received: from mx4.phx.paypal.com (66.211.170.90) by
>   DU2PEPF00028CFD.mail.protection.outlook.com (10.167.242.181) with Microsoft
>   SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id
>   15.20.8398.14 via Frontend Transport; Tue, 28 Jan 2025 17:49:50 +0000
> DKIM-Signature: v=1; a=rsa-sha256; d=paypal.com; s=pp-dkim1; c=relaxed/relaxed;
>          q=dns/txt; [email protected]; t=1738086589;
>          h=From:From:Subject:Date:To:MIME-Version:Content-Type;
>          bh=x4gXgJPzgMJS4s6SslPDX50DN37l6UgxYv1Fke0blj4=;
>          b=Ti5ZlN8t9vOP4oHPw6S7EFSv5qCloXAAcGFhN1UUYPh8b+kHEbenBvfdHtOlBzCF
>          7lCfc0LH2NGC6vIhFkmbmn490P6XkzLMgQwi9IcUaQTZrUIeD8r5YPRT5b/Y4RmA
>          VqAbuOE/7S20QxDlpoCqOprRhS/39AvB5W/QuCyzPn6uf+IjwQjyd7f8imwXsGGD
>          O+hiNma12uuMIgpeuAdk5PNYrZJv9UZA6Ta9OZP1LyowQPFIdPaIJf4ACHUkBGaa
>          fChq5r8wr7lBUGY/5ft8dfpmzcj3QiEcytLWYQ4niDlTJAMZcPI3OSuoyiwXjFJq
>          yuYqt5ZZhMyeauUvreQNbw==;
> Content-Transfer-Encoding: quoted-printable
> Content-Type: text/html; charset="UTF-8"
> Date: Tue, 28 Jan 2025 09:49:49 -0800
> Message-ID: <AD.CB.51299.DB819976@ccg01mail06>
> MIME-Version: 1.0
> From: "[email protected]" <[email protected]>
> To: Sharon Turner <[email protected]>
> Subject: You've sent a money request
> X-MaxCode-Template: RT000241
> X-PP-Priority: 0-paypal-false
> PP-Correlation-Id: f388091b585de
> X-PP-Email-transmission-Id: 44cd845b-dda0-11ef-bbbe-0f3c32714b27
> X-PP-REQUESTED-TIME: 1738086577206
> X-Email-Type-Id: RT000241
> AMQ-Delivery-Message-Id: nullval
> X-XPT-XSL-Name: nullval
> X-EOPAttributedMessage: 1
> X-MS-TrafficTypeDiagnostic:
>          DU2PEPF00028CFD:EE_|PAWP192MB2250:EE_|AS8P192MB2065:EE_|SG2PEPF000B66CE:EE_|TYZPR04MB7271:EE_|TYSPR04MB8220:EE_|TYZPR04MB7906:EE_
> X-MS-Office365-Filtering-Correlation-Id: 198a6f79-7e5b-4b79-7cbb-08dd3fc43981
> X-Moderation-Data: 1/28/2025 5:50:06 PM
> X-LD-Processed: 597638ac-1f39-416f-b8b6-2a57af6395fe,ExtAddr
> X-Auto-Response-Suppress: DR, OOF, AutoReply
> X-MS-Exchange-Transport-CrossTenantHeadersStamped: AS8P192MB2065
> X-EOPTenantAttributedMessage: 7ab5503a-6b18-41b1-ab89-bb02ef5b5daf:0
> X-MS-Exchange-Transport-CrossTenantHeadersStripped: SG2PEPF000B66CE.apcprd03.prod.outlook.com
> X-MS-Exchange-Transport-CrossTenantHeadersPromoted: SG2PEPF000B66CE.apcprd03.prod.outlook.com
> X-MS-PublicTrafficType: Email
> X-MS-Office365-Filtering-Correlation-Id-Prvs:
>   5c11a4de-9c64-4aae-d96a-08dd3fc42a48
> X-Moderation-Data: 1/28/2025 6:07:58 PM
> X-LD-Processed: 7ab5503a-6b18-41b1-ab89-bb02ef5b5daf,ExtAddr,ExtAddr
> X-OriginatorOrg: smpn7wonogiri.sch.id
> X-MS-Exchange-CrossTenant-Network-Message-Id: 198a6f79-7e5b-4b79-7cbb-08dd3fc43981
> X-MS-Exchange-CrossTenant-Id: 7ab5503a-6b18-41b1-ab89-bb02ef5b5daf
> X-MS-Exchange-CrossTenant-AuthSource: SG2PEPF000B66CE.apcprd03.prod.outlook.com
> X-MS-Exchange-CrossTenant-AuthAs: Anonymous
> X-MS-Exchange-CrossTenant-FromEntityHeader: Internet
> X-MS-Exchange-CrossTenant-OriginalArrivalTime: 28 Jan 2025 18:07:59.9852
>   (UTC)
> X-MS-Exchange-Transport-CrossTenantHeadersStamped: TYZPR04MB790
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