[jira] [Commented] (JAMES-3431) Relay DSN options on RemoteDelivery

["ASF GitHub Bot (Jira)" <se...@james.apache.org>]

    [ https://issues.apache.org/jira/browse/JAMES-3431?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17285634#comment-17285634 ] 

ASF GitHub Bot commented on JAMES-3431:
---------------------------------------

chibenwa opened a new pull request #299:
URL: https://github.com/apache/james-project/pull/299


   Otto, Karsten Andreas reported the following issues so far regarding DSN
   
   ```
    1. When I send a mail to an unknown user, the DSN report (part 1) has no text after "Error message:". There is a comment in the mail MailDispatcher class that might explain it?
       // In order for this server to meet the requirements of the SMTP
       // specification, mails on the ERROR processor must be returned to
       // the sender. Note that this email doesn't include any details
       // regarding the details of the failure(s).
       // In the future we may wish to address this.
       Anyways, this is no big issue for us, as we can describe the problem in the <messageString>. But the empty text is confusing, I thought it to be a bug at first.
       => Please change the report generation to just hide the "Error message:" part if there is no error message to report.
   
    2. I see a strange date format in the DSN report (part 2), e.g.
       Last-Attempt-Date: Mon, 15 Feb 2021 15:45:20 XXXXX (CET)
       According to rfc3464#section-2.3.7 this header must use the numeric timezone format (+hh:mm/-hh:mm). Does the XXXXX serve any special purpose?
       => Please fix this date format here to comply with the RFC.
   
    3. We would also like to have the Arrival-Date (rfc3464#section-2.2.5) header in the DSN report (part 2) as well. In the past I found it a useful diagnostic in conjunction with Last-Attempt-Date, especially with delayed delivery cases. Does James per chance already record the timestamp on each incoming mail?
       => Please add the Arrival-Date header to the DSN report. Record the necessary timestamp on mail arrival if James does not have this data already. 
   ```


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> Relay DSN options on RemoteDelivery
> -----------------------------------
>
>                 Key: JAMES-3431
>                 URL: https://issues.apache.org/jira/browse/JAMES-3431
>             Project: James Server
>          Issue Type: Bug
>          Components: Remote Delivery, SMTPServer
>    Affects Versions: 3.5.0
>            Reporter: Karsten Otto
>            Priority: Major
>
> Since James claims to support the DSN SMTP extension, it may receive a mail submission according to [RFC 3461|https://tools.ietf.org/html/rfc3461]:
> {code:java}
> MAIL FROM:<Al...@Example.ORG> RET=HDRS ENVID=QQ314159
> RCPT TO:<Da...@Ivory.EDU> NOTIFY=SUCCESS,FAILURE,DELAY ORCPT=rfc822;Dana@Ivory.EDU
> RCPT TO:<Fr...@Bombs.AF.MIL> NOTIFY=NEVER{code}
> In this case James should
>  * remember the given DSN options (NOTIFY, ORCPT, RET, ENVID) for each recipient, and
>  * provide the same options when relaying the mail to remote servers via the RemoteDelivery mailet.
> (The DSN options should be accessible to other interested mailets as well, e.g. for bounce processing.)
> Possibly related issues:
>  https://issues.apache.org/jira/browse/JAMES-322
>  https://issues.apache.org/jira/browse/JAMES-362
>  



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