[jira] [Closed] (JAMES-4162) Failure to send MDN with outlook

     [ https://issues.apache.org/jira/browse/JAMES-4162?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Matthieu Baechler closed JAMES-4162.
------------------------------------
    Resolution: Fixed

[https://github.com/apache/james-project/pull/2908] has been merged

> Failure to send MDN with outlook
> --------------------------------
>
>                 Key: JAMES-4162
>                 URL: https://issues.apache.org/jira/browse/JAMES-4162
>             Project: James Server
>          Issue Type: Improvement
>    Affects Versions: master, 3.9.0
>            Reporter: Benoit Tellier
>            Priority: Major
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> Outlook uses MAIL FROM: <> when sending bounces.
> THis is a valid practice acknowleged in RFC-8098:
> {code:java}
>    The envelope sender address (i.e., SMTP "MAIL FROM") of the MDN MUST
>    be null (<>), specifying that no Delivery Status Notification
>    messages nor other messages indicating successful or unsuccessful
>    delivery are to be sent in response to an MDN.
> {code}
> But as of today James sender enforcement forbids user to use `MAIL FROM: <>` thus making MDN fails.
>  - We need to relax this logic
>  - please note that the header From is however still strictly enforced



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