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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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target/postfix/master.cf
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@ -24,6 +24,7 @@ submission inet n - n - - smtpd
-o smtpd_client_restrictions=permit_sasl_authenticated,reject
-o smtpd_relay_restrictions=permit_sasl_authenticated,reject
-o smtpd_sender_restrictions=$mua_sender_restrictions
-o smtpd_discard_ehlo_keywords=
-o milter_macro_daemon_name=ORIGINATING
-o cleanup_service_name=sender-cleanup
@ -37,6 +38,7 @@ submissions inet n - n - - smtpd
-o smtpd_client_restrictions=permit_sasl_authenticated,reject
-o smtpd_relay_restrictions=permit_sasl_authenticated,reject
-o smtpd_sender_restrictions=$mua_sender_restrictions
-o smtpd_discard_ehlo_keywords=
-o milter_macro_daemon_name=ORIGINATING
-o cleanup_service_name=sender-cleanup