docs/release-notes: add tls changes

This commit is contained in:
Martin Weinelt
2026-04-26 01:47:39 +02:00
parent ecbe707330
commit 3ab15c2e30
+11
View File
@@ -22,6 +22,15 @@ NixOS 26.05
established by `agenix`_/`sops-nix`_ that instead rely on encryption. This established by `agenix`_/`sops-nix`_ that instead rely on encryption. This
option prevents files from leaking in to the Nix store. option prevents files from leaking in to the Nix store.
See :option:`mailserver.accounts.<name>.passwordFile`. See :option:`mailserver.accounts.<name>.passwordFile`.
- TLS configurations have been updated:
- TLSv1.2 cipher suites in Postfix now require `AEAD`_ and `ECDHE`_.
- Postfix and Dovecot allow for the ``SecP256r1MLKEM768``
key exchange, as specified in the ongoing
`standardization effort <https://datatracker.ietf.org/doc/draft-ietf-tls-ecdhe-mlkem/>`__.
- Postfix no longer supports uncommon, deprecated, and obsolete TLS signature
algorithms.
- LDAP setups require a migration of Dovecot home directories to - LDAP setups require a migration of Dovecot home directories to
`UUID based home directories`_. The exact UUID attribute can be customized `UUID based home directories`_. The exact UUID attribute can be customized
through :option:`mailserver.ldap.attributes.uuid`. through :option:`mailserver.ldap.attributes.uuid`.
@@ -45,6 +54,8 @@ NixOS 26.05
.. _DKIM key management: dkim.html .. _DKIM key management: dkim.html
.. _agenix: https://github.com/ryantm/agenix .. _agenix: https://github.com/ryantm/agenix
.. _sops-nix: https://github.com/Mic92/sops-nix .. _sops-nix: https://github.com/Mic92/sops-nix
.. _AEAD: https://en.wikipedia.org/wiki/Authenticated_encryption
.. _ECDHE: https://www.rfc-editor.org/rfc/rfc8422
.. _UUID based home directories: migrations.html#dovecot-ldap-uuid-based-home-directories .. _UUID based home directories: migrations.html#dovecot-ldap-uuid-based-home-directories
NixOS 25.11 NixOS 25.11