[jira] [Commented] (JAMES-3985) Implement RFC-8617 The Authenticated Received Chain (ARC) Protocol

    [ https://issues.apache.org/jira/browse/JAMES-3985?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18028183#comment-18028183 ] 

Benoit Tellier commented on JAMES-3985:
---------------------------------------

Hello [~agrinchenko]

Thanks for bringing this public and sharing the code here: this look promissing indeed!

Don't you mind opening a draft pull request on apache/james-jdkim repo? It would allow easier tracking of the comments that will arise.

Best regards,

Benoit

> Implement RFC-8617 The Authenticated Received Chain (ARC) Protocol
> ------------------------------------------------------------------
>
>                 Key: JAMES-3985
>                 URL: https://issues.apache.org/jira/browse/JAMES-3985
>             Project: James Server
>          Issue Type: Improvement
>          Components: Mailet Contributions
>            Reporter: Benoit Tellier
>            Priority: Major
>              Labels: gsoc, gsoc2024
>
> h3. What
> https://datatracker.ietf.org/doc/html/rfc8617
> https://arc-spec.org/
>    The Authenticated Received Chain (ARC) protocol provides an
>    authenticated "chain of custody" for a message, allowing each entity
>    that handles the message to see what entities handled it before and
>    what the message's authentication assessment was at each step in the
>    handling.
> IE secured and standard Received headers.
> Example:
> {code:java}
> ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none;
>  b=S4DQRVgRLMeqank+UkagI9DIPrecaQa+tD+qrvD1XyuYolqGtWYole5yzajb6B71t9ceuFfCWYBmbze89vRt9bCc4KpcjEjzEzuf0xTo4HevTzZ62DEqXKzuXn+nWSGEAdrAcXS3w4RaoyeFC3ypKalcHJggiMStBBKuMG2k1jTk5vxirVqtxLr526AQ3XNGDEewIRMyhbjKDHKinjknJGLucWWli5YOheM4CDVwZXsbNbfhp8TPQitFd411+SDWRduqN2uKE/IqHn1FgqacCKkQaew5MS+GywnbCiNp2BHRgHMJbOt2gIHhFFLiPAow/98PyAdCPAqRmHqvUqSyRQ==
> ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com;
>  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;
>  bh=FrVWL4P2FSzOMb/KTATCDQLYPJHy7pwVkwAdt3ueFh8=;
>  b=E+f/prHAHynoo8GBK4s4Dxsdch6uPcErYd9R9h24Lb9sHlBVycnXby5PjcwqGtnvqEo14+8MEdxv41PYzIGHldjWh8CPgK6YHeWu+Zk8zwy05atOXXRgGkiRdge2bFSgtP4RLvoyV9kwngnR/vCIbSyTchnrZKyQ2IVCyZbEZtpDBgv4YtF9/972A+hZQLvymg4rZai74RDrVxVPJ2hmKOBSfaqTlUIm82HO5D2DMbbN50EmN9cicVOVkFo1d9m7sz7azq5VzybS/52B4nd7uby7ITkM/Enw/tihr9E6NHA31HgqEt8dx9pjTt4VJjVZbjSrv1AyKBl6VSxPerKzeA==
> ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass
>  smtp.mailfrom=docaposte.fr; dmarc=pass action=none header.from=docaposte.fr;
>  dkim=pass header.d=docaposte.fr; arc=none
> {code}
> h3. How 
> Implement a Mailet implementing ARC
> Implement a Matcher validating ARC
> Documentation (README)
> If applicable, parsing ARC records shall be done as a separate maven module.
> h3. Definition of done
>  - Absence of ARC headers shall be nicely handled
>  - Failed ARC shall be rejected
>  - Able to send email to gmail (validates ARC)
>  - Passes the ARC test suite https://github.com/ValiMail/arc_test_suite
>  - Apache james registered on https://arc-spec.org/?page_id=79
> h3. GSOC notes
> Presenting a 1 week POC on the topic (as a separate mailet) would greatly improve the submission.
> How to write custom mailet / matcher: https://github.com/apache/james-project/tree/master/examples/custom-mailets



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