Subject
Mail being rejected by spamhaus
Description
Hi, I have quite a serious problem when receiving mail from clients, most mails are being rejected by the DNSBL, however I searched the spamhaus database with the IPs and none of them are listed. multiple clients from multiple other hosting provides are all having the mails being sent back. I really need to address this issue immediately as we can't have mails being bounced back
changing ENABLE_DNSBL to 0 has no affect
(everything used to work but something changed, when? I don't know)
if anyone could point me in the right direction to getting this fixed I would be eternally grateful!
When people try to send me mail they get this bounceback from their host:
Diagnostic information for administrators:
Generating server: SYBP282MB2962.AUSP282.PROD.OUTLOOK.COM
signs@<redacted>.com.au
Remote Server returned '550 5.7.514 Decision Engine classified the mail item was rejected because of IP Block (from outbound normal IP pools) -> 554 5.7.1 Service unavailable; Client host [40.107.107.102] blocked using zen.spamhaus.org'
Original message headers:
ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none;
b=CA/jf3WwzLDRaq8tsAyy8YYXPJV/eS/8buavLtbomIcHeqFPJ03KSirKxFp2xv5Fco3ndW9C3iVmPTqR7zDRSfecE7W1RZ1uC0z4uRLPESlFUnTeINqNuUn8CpMWkORm4ecgwG0zXUl8hu1mcqsyO5+WBc1p2Lpi1A/xK8CowXbbdnzi7Fexev9YXxKU/QUxCPfD5HfBiVGDkj1aXRNVDChtdvvwksoRhuhn2jFo1CfPdGI2Cn2tmLW4OEidlVEeAdtWnupuuOV9ou+AfyDz0NUWEh1Z3cCRKmNgQXlXrX1qzKTl5Y5n6xnfWH2rwT1nrQKdsj4TX5ENVhuIMC0etQ==
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s=arcselector9901;
h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1;
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ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass
smtp.mailfrom=constructhomes.com.au; dmarc=pass action=none
header.from=constructhomes.com.au; dkim=pass header.d=constructhomes.com.au;
arc=none
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
d=ConstructHomes.onmicrosoft.com; s=selector2-ConstructHomes-onmicrosoft-com;
h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck;
bh=B+WWHAXQxS7szXhftmK+0WQn9f+oWrCeeQVug0I6s2E=;
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Received: from ME3P282MB1395.AUSP282.PROD.OUTLOOK.COM (2603:10c6:220:8a::16)
by SYBP282MB2962.AUSP282.PROD.OUTLOOK.COM (2603:10c6:10:155::8) with
Microsoft SMTP Server (version=TLS1_2,
cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5482.11; Fri, 29 Jul
2022 02:50:26 +0000
Received: from ME3P282MB1395.AUSP282.PROD.OUTLOOK.COM
([fe80::20ff:5db4:11:fad2]) by ME3P282MB1395.AUSP282.PROD.OUTLOOK.COM
([fe80::20ff:5db4:11:fad2%6]) with mapi id 15.20.5482.011; Fri, 29 Jul 2022
02:50:26 +0000
From: Info <[email protected]>
To: <redacted> <signs@<redacted>.com.au>
Subject: Construct Homes Pty Ltd - Hino Truck and Banner signage
Thread-Topic: Construct Homes Pty Ltd - Hino Truck and Banner signage
Thread-Index: Adii9QT1a0GqCVd5SzKio6oOejp9pw==
Date: Fri, 29 Jul 2022 02:50:26 +0000
Message-ID: <ME3P282MB13955D4E11E49F1C9D4C0CC988999@ME3P282MB1395.AUSP282.PROD.OUTLOOK.COM>
Accept-Language: en-AU, en-US
Content-Language: en-US
X-MS-Has-Attach:
X-MS-TNEF-Correlator:
authentication-results: dkim=none (message not signed)
header.d=none;dmarc=none action=none header.from=constructhomes.com.au;
x-ms-publictraffictype: Email
x-ms-office365-filtering-correlation-id: 2d07c5ed-fef3-424b-29cd-08da710d171f
x-ms-traffictypediagnostic: SYBP282MB2962:EE_
x-ms-exchange-senderadcheck: 1
x-ms-exchange-antispam-relay: 0
x-microsoft-antispam: BCL:0;
x-microsoft-antispam-message-info: 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
x-forefront-antispam-report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:ME3P282MB1395.AUSP282.PROD.OUTLOOK.COM;PTR:;CAT:NONE;SFS:(13230016)(4636009)(39830400003)(366004)(376002)(396003)(346002)(136003)(52536014)(41300700001)(9686003)(478600001)(2906002)(4744005)(7696005)(8936002)(5660300002)(86362001)(33656002)(55016003)(26005)(71200400001)(6916009)(6506007)(38070700005)(38100700002)(186003)(83380400001)(8676002)(64756008)(66476007)(66446008)(316002)(66556008)(66946007)(76116006)(122000001);DIR:OUT;SFP:1102;
x-ms-exchange-antispam-messagedata-chunkcount: 1
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MIME-Version: 1.0
X-OriginatorOrg: constructhomes.com.au
X-MS-Exchange-CrossTenant-AuthAs: Internal
X-MS-Exchange-CrossTenant-AuthSource: ME3P282MB1395.AUSP282.PROD.OUTLOOK.COM
X-MS-Exchange-CrossTenant-Network-Message-Id: 2d07c5ed-fef3-424b-29cd-08da710d171f
X-MS-Exchange-CrossTenant-originalarrivaltime: 29 Jul 2022 02:50:26.2465
(UTC)
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and here are the corresponding logs to go along with the email they tried to send:
Jul 29 12:50:28 mail postfix/smtpd[21942]: connect from mail-sy4aus01on2102.outbound.protection.outlook.com[40.107.107.102]
Jul 29 12:50:28 mail postfix/smtpd[21942]: Anonymous TLS connection established from mail-sy4aus01on2102.outbound.protection.outlook.com[40.107.107.102]: TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)
Jul 29 12:50:28 mail policyd-spf[21950]: prepend Received-SPF: Pass (mailfrom) identity=mailfrom; client-ip=40.107.107.102; helo=aus01-sy4-obe.outbound.protection.outlook.com; [email protected]; receiver=<UNKNOWN>
Jul 29 12:50:28 mail postfix/smtpd[21942]: NOQUEUE: reject: RCPT from mail-sy4aus01on2102.outbound.protection.outlook.com[40.107.107.102]: 554 5.7.1 Service unavailable; Client host [40.107.107.102] blocked using zen.spamhaus.org; from=<[email protected]> to=<signs@<redacted>.com.au> proto=ESMTP helo=<AUS01-SY4-obe.outbound.protection.outlook.com>
Jul 29 12:50:28 mail postfix/smtpd[21942]: disconnect from mail-sy4aus01on2102.outbound.protection.outlook.com[40.107.107.102] ehlo=2 starttls=1 mail=1 rcpt=0/1 quit=1 commands=5/6
Subject
Mail being rejected by spamhaus
Description
Hi, I have quite a serious problem when receiving mail from clients, most mails are being rejected by the DNSBL, however I searched the spamhaus database with the IPs and none of them are listed. multiple clients from multiple other hosting provides are all having the mails being sent back. I really need to address this issue immediately as we can't have mails being bounced back
changing
ENABLE_DNSBLto0has no affect(everything used to work but something changed, when? I don't know)
if anyone could point me in the right direction to getting this fixed I would be eternally grateful!
When people try to send me mail they get this bounceback from their host:
and here are the corresponding logs to go along with the email they tried to send: