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mail: Rückläufer aus dem Bounce-Postfach lesen (Roadmap 1b.6, Schritt 3)

Browse source 
webklex/laravel-imap als Transport, eigener DSN-Parser nach RFC 3464 auf
der rohen Nachricht: Final-Recipient, Action, Status, Diagnostic-Code und
unser X-Pk-Ref aus der Original-Nachricht. Maßgeblich ist Action —
Zustellbestätigungen sperren niemanden, Freitext-Rückläufer wandern nach
Unparsed vor einen Menschen, Abwesenheitsnotizen nach Ignored.
mail:fetch-bounces alle zehn Minuten; ohne Konto tut es nichts.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
This commit is contained in:
Kevin Adametz 2026-09-15 13:55:30 +00:00
parent 0a658bb34b
commit e80006589c
16 changed files with 1039 additions and 2 deletions
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53
tests/Fixtures/bounces/hard-5.1.1.eml Normal file
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Return-Path: <>
Date: Tue, 15 Sep 2026 09:12:33 +0200
From: Mail Delivery System <MAILER-DAEMON@mx.kasserver.com>
To: bounce@pressekonto.com
Subject: Undelivered Mail Returned to Sender
Message-ID: <20260915071233.ABC123@mx.kasserver.com>
Content-Type: multipart/report; report-type=delivery-status;
boundary="ABC123.1758112353/mx.kasserver.com"
This is a MIME-encapsulated message.
--ABC123.1758112353/mx.kasserver.com
Content-Description: Notification
Content-Type: text/plain; charset=us-ascii
This is the mail system at host mx.kasserver.com.
I'm sorry to have to inform you that your message could not
be delivered to one or more recipients.
<Presse@Alte-Firma.example>: host mail.alte-firma.example[192.0.2.10] said:
550 5.1.1 <presse@alte-firma.example>: Recipient address rejected: User
unknown in virtual mailbox table (in reply to RCPT TO command)
--ABC123.1758112353/mx.kasserver.com
Content-Description: Delivery report
Content-Type: message/delivery-status
Reporting-MTA: dns; mx.kasserver.com
X-Postfix-Queue-ID: 4XyZ12
X-Postfix-Sender: rfc822; bounce@pressekonto.com
Arrival-Date: Tue, 15 Sep 2026 09:12:30 +0200
Final-Recipient: rfc822; Presse@Alte-Firma.example
Original-Recipient: rfc822;presse@alte-firma.example
Action: failed
Status: 5.1.1
Remote-MTA: dns; mail.alte-firma.example
Diagnostic-Code: smtp; 550 5.1.1 <presse@alte-firma.example>: Recipient
address rejected: User unknown in virtual mailbox table
--ABC123.1758112353/mx.kasserver.com
Content-Description: Undelivered Message Headers
Content-Type: text/rfc822-headers
Return-Path: <bounce@pressekonto.com>
From: pressekonto <service@pressekonto.com>
To: presse@alte-firma.example
Subject: Ihre Pressemitteilung wurde veroeffentlicht
X-Pk-Ref: pm:4711:company:815
Message-ID: <orig-1@pressekonto.com>
--ABC123.1758112353/mx.kasserver.com--