Postfix를 사용하여 Mailman 3 서버를 설정했습니다. OpenDKIM을 사용하여 DKIM 헤더를 추가하도록 Postfix를 구성했으며 해당 서버에서 Microsoft 호스팅 이메일 주소로 전송되는 테스트 이메일에 따르면 DKIM이 정상임을 나타냅니다.
Authentication-Results: spf=pass (sender IP is 1.2.3.4)
smtp.mailfrom=mmserver.org; destination.org; dkim=test (signature was
verified) header.d=mmserver.org;destination.org; dmarc=bestguesspass
action=none header.from=mmserver.org;compauth=pass reason=109
(도메인 및 IP 주소 수정/변경됨)
Mailman을 사용하면 DKIM 외에도 ARC가 사용되는데 상황이 맞는지 잘 모르겠습니다.아직올바르게 작동합니다. Mailman 목록으로 전송된 후 동일한 Microsoft 호스팅 이메일 주소로 전달된 테스트 이메일의 결과는 다음과 같습니다.
Received: from AM6EUR05HT027.eop-eur05.prod.protection.outlook.com
(2603:10a6:10:2b0::12) by DB7P191MB0378.EURP191.PROD.OUTLOOK.COM with HTTPS
via DU2PR04CA0157.EURPRD04.PROD.OUTLOOK.COM; Tue, 14 Sep 2021 07:13:02 +0000
ARC-Seal: i=2; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=fail;
b=eb5egkxeCkJnvUpwA/HTQ6aYeCJfbfL3yRdCaAhD9aVMwhljOA6V9RhgWVkVHYRpf77BZvw4IztiAU8Y/sUAUAt7s3f77M4qZ37RzOIWktDkKknW8xFxsOQaJIOaxdWjE7L53F51JMmPlOIQ/RgvkIZyiN77GTCCoxhkayzZaL5O8Gc3Rop9kY90sBNRCi/B1DU1keJ45U+KBfnulEWGE3r2DJ9BrfI8WiQCYFIvR1Ryr0wY8uqQiWlitgbfprEl7mkDzR4x/tNUvowVDqltiedfrM3ML7+AHUW4PI2Ih78Uvv6T0+fZHVrRKCOyczU0S9RilRLxMlh+lEtr+Q9GGg==
ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com;
s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version;
bh=jmWFlJwqirfiVtLi98SrRrGA3zfBLMBC8UI7ReTsiOc=;
b=n07Rdb5JFtRW5a+UmP0zCEJLks5YOE8ZLI6tzNU37BgF8rsqXy2K+Mj5N5742DMymdKnUnYF99nUp79v9BxwQX7EUt7mCXOlzjo//yR8QzV5mhqBroHoisznRxs70HzISZFDCwzMKgL1/BM6jIMVKWry9aTIt2Ii8ofS/Unw7coGBPccNtALvjJ585UUt2cVfIWPjVgt/ZPJ3d/RRsiao5Ot/Myhzyo3rHpl4nZHoxFDeWWK5kZ1Gy+hUxIqZWz9UswzX8K+i9OshilBicia/q/0RHpUCg1vNQsEIQYMRsNTDmvh+moPz2SVDhgLgJ7UOVjSMaO87T2DTacvEykjBg==
ARC-Authentication-Results: i=2; mx.microsoft.com 1; spf=pass (sender ip is
1.2.3.4) smtp.rcpttodomain=destination.org
smtp.mailfrom=mmserver.org; dmarc=bestguesspass action=none
header.from=mmserver.org; dkim=test (signature was verified)
header.d=mmserver.org; dkim=fail (signature did not verify)
header.d=sender.org; arc=fail (47)
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Authentication-Results: spf=pass (sender IP is 1.2.3.4)
smtp.mailfrom=mmserver.org; destination.org; dkim=fail (signature did
not verify) header.d=sender.org;destination.org; dmarc=bestguesspass action=none
header.from=mmserver.org;compauth=pass reason=109
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DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=mmserver.org;
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bh=jmWFlJwqirfiVtLi98SrRrGA3zfBLMBC8UI7ReTsiOc=;
h=Date:To:Subject:List-Id:List-Archive:List-Help:List-Owner:
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ARC-Seal: i=1; cv=none; a=rsa-sha256; d=mmserver.org; s=mailman;
t=1631603580;
b=MriwQYAoGLx6qYcQ3jvD1X6WZP2bfE7/esgXKfCV7gSfQcLpbd3iwiJVFBD+4TX3jfTcG
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2Bti7RMvNwok2WQzsKkOf+cXmUFDOcg=
ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed;
d=mmserver.org; s=mailman; t=1631603580; h=from : sender :
reply-to : subject : date : message-id : to : cc : mime-version :
content-type : content-transfer-encoding : content-id :
content-description : resent-date : resent-from : resent-sender :
resent-to : resent-cc : resent-message-id : in-reply-to : references :
list-id : list-help : list-unsubscribe : list-subscribe : list-post :
list-owner : list-archive;
bh=3DIn1IpjU5aYg7foYX2PvB0NxFt3Yvxu7ufHWw90s3M=;
b=fNNEcs1c31725Mfmd4md62MVMIRbGHfnDf3SHY+W5Yz+Cb5RTYJhCpoSA6VpFUSgeGEYT
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41/BqNmfc1MKlWsJH+q0cdwChifyo2I=
ARC-Authentication-Results: i=1; mmserver.org; dkim=pass header.d=sender.org [email protected] header.a=rsa-sha256
header.s=google header.b=xCTkYbMD;
dkim-atps=neutral;
arc=none;
dmarc=pass (Used From Domain Record) header.from=sender.org policy.dmarc=none
Authentication-Results-Original: mmserver.org; dkim=pass
header.d=sender.org [email protected] header.a=rsa-sha256 header.s=google
header.b=xCTkYbMD; dkim-atps=neutral; arc=none; dmarc=pass (Used From Domain
Record) header.from=sender.org policy.dmarc=none
Received: from mail-pl1-f173.google.com (mail-pl1-f173.google.com [209.85.214.173])
by mmserver.org (Postfix) with ESMTPS id 99732BDF09
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DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
d=sender.org; s=google;
h=mime-version:from:date:message-id:subject:to;
bh=3DIn1IpjU5aYg7foYX2PvB0NxFt3Yvxu7ufHWw90s3M=;
b=xCTkYbMDUx+tagAdAlyZE+awc/wc1iCI/PWp0jeuJFDM23WMTGo24PJjUFfCV4DH5G
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4nmg==
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
d=1e100.net; s=20210112;
h=x-gm-message-state:mime-version:from:date:message-id:subject:to;
bh=3DIn1IpjU5aYg7foYX2PvB0NxFt3Yvxu7ufHWw90s3M=;
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J/SA==
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fdjxxPp3FZqmjlPEPCHf6YHBtWkKPAk7jmICOiu0mHBYPA28SvgG
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Tue, 14 Sep 2021 00:12:57 -0700 (PDT)
Date: Tue, 14 Sep 2021 08:12:48 +0100
Message-ID: <CAKTSSTiPRjknheqN7QbvEZAzscCyRePz4JvQB1fDa39xuShMSA@mail.gmail.com>
To: [email protected]
Message-ID-Hash: ORMUWLHDNPOVZ24JYJ3PMESIUSRL7XCC
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List-Owner: <mailto:[email protected]>
List-Post: <mailto:[email protected]>
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From: Philip Colmer via Test <[email protected]>
Reply-To: Philip Colmer <[email protected]>
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X-Sender-IP: 1.2.3.4
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MIME-Version: 1.0
이는 하나의 DKIM 부분이 통과했지만(서명이 확인됨) 다른 DKIM 부분이 실패했음을 암시하는 것 같습니다(서명이 확인되지 않음). 이것이 전반적으로 아크가 실패한 것으로 표시되는 이유입니까?
DKIM이 지속적으로 작동하지 않는 방식으로 구성이 잘못되었을 수 있는 부분을 이해하려고 애쓰고 있습니다. 도움을 주시면 감사하겠습니다 :)
Mailman이 생성한 이메일의 전체 헤더를 포함하도록 편집되었습니다.
또한 Mailman 목록에서 누군가가 Mailman의 ARC 처리기에서 Postfix용 밀터로 전환할 것을 제안했습니다. OpenARC를 보기 시작했지만 문서가 부족합니다.
답변1
내 Mailman 서버에서 DKIM/ARC가 제대로 작동합니까?
아니요i=2, 귀하( ) 이후 첫 번째 ARC-Validator( )가 i=1다음과 같이 주장하는 경우체인이 끊어졌습니다( cv=fail) 그러면 뭔가 제대로 작동하지 않습니다.
헤더의 순서로 인해 거의 확실합니다.당신은밀봉~ 전에서명.
모든 메시지 수정(DKIM 서명 헤더 필드 추가 포함)은 봉인 전에 수행되어야 합니다. -- RFC8617: 인증된 수신 체인(ARC) 프로토콜
어떤 소프트웨어가 관련되어 있고 어떤 인터페이스를 통해 Postfix(SMTP, milter, 필터, 정책 등)에 통합되는지에 따라 ARC 프로토콜 설명의 요구 사항을 준수하는 것이 다소 쉬울 수 있습니다. 여기에는 와 같은 Postfix 구성의 항목 재정렬이 포함될 수 있습니다 smtpd_milters.
그래요~ 아니다그것만으로도 문제가 해결될지 알 수 있습니다.
Microsoft가 아닌 타사에서 귀하의 DKIM 및 ARC 인증을 확인하도록 하는 것이 좋습니다. 명확하게 정의되지 않은 인증 결과( dmarc=bestguesspass, dkim=test)가 언급되어 있으며, Microsoft가 일반적인 기대에서 벗어나 수신 시 완벽하게 미세한 DKIM 서명을 깨뜨린 다음 이를 확인하지 못하는 경우도 보았습니다.