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feat: Postfix permit DSN (Delivery Status Notification) only on authenticated ports (465 + 587) (#3572)

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* add POSTFIX_DSN

* add tests for POSTFIX_DSN

* Revert "add POSTFIX_DSN"

This reverts commit d5bd0e9117.

* discard DSN requests on unauthenticated ports

* make tests work with overrides instead of ENV

* Apply suggestions from code review

* fix test inconsistencies

---------

Co-authored-by: allddd <allddd@proton.me>
Co-authored-by: Brennan Kinney <5098581+polarathene@users.noreply.github.com>
This commit is contained in:
allddd 2023-10-22 15:16:41 +02:00 • committed by GitHub
parent 811a769845
commit eacc379cf1
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14
test/test-files/email-templates/dsn-authenticated.txt Normal file
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EHLO mail
AUTH LOGIN dXNlcjFAbG9jYWxob3N0LmxvY2FsZG9tYWlu
bXlwYXNzd29yZA==
MAIL FROM: user1@localhost.localdomain
RCPT TO: user1@localhost.localdomain NOTIFY=success,failure
DATA
From: Existing Local User <user1@localhost.localdomain>
To: Existing Local User <user1@localhost.localdomain>
Date: Sat, 22 May 2010 07:43:25 -0400
Subject: Test Message
This is a test mail.
.
QUIT

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test/test-files/email-templates/dsn-unauthenticated.txt Normal file
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HELO mail.external.tld
MAIL FROM: user@external.tld
RCPT TO: user1@localhost.localdomain NOTIFY=success,failure
DATA
From: Docker Mail Server <dockermailserver@external.tld>
To: Existing Local User <user1@localhost.localdomain>
Date: Sat, 22 May 2010 07:43:25 -0400
Subject: Test Message
This is a test mail.
.
QUIT