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Merge branch 'no-tls-1.1' into 'master'

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postfix: disable TLSv1.1

See merge request simple-nixos-mailserver/nixos-mailserver!234
This commit is contained in:
Martin Weinelt 2025-05-07 00:48:13 +00:00
commit 1471e54b92
2 changed files with 6 additions and 4 deletions
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2
docs/release-notes.rst
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@ -16,6 +16,8 @@ NixOS 25.05
(`merge request <https://gitlab.com/simple-nixos-mailserver/nixos-mailserver/-/merge_requests/297>`__)
- Configuring ``mailserver.forwards`` is now possible when the setup relies on LDAP.
(`merge request <https://gitlab.com/simple-nixos-mailserver/nixos-mailserver/-/merge_requests/313>`__)
- Support for TLS 1.1 was disabled in accordance with `Mozilla's recommendations <https://ssl-config.mozilla.org/#server=postfix>`_.
(`merge request <https://gitlab.com/simple-nixos-mailserver/nixos-mailserver/-/merge_requests/234>`__)
NixOS 24.11
-----------

8
mail-server/postfix.nix
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@ -270,10 +270,10 @@ in
smtpd_tls_security_level = "may";
# Disable obselete protocols
smtpd_tls_protocols = "TLSv1.3, TLSv1.2, TLSv1.1, !TLSv1, !SSLv2, !SSLv3";
smtp_tls_protocols = "TLSv1.3, TLSv1.2, TLSv1.1, !TLSv1, !SSLv2, !SSLv3";
smtpd_tls_mandatory_protocols = "TLSv1.3, TLSv1.2, TLSv1.1, !TLSv1, !SSLv2, !SSLv3";
smtp_tls_mandatory_protocols = "TLSv1.3, TLSv1.2, TLSv1.1, !TLSv1, !SSLv2, !SSLv3";
smtpd_tls_protocols = "TLSv1.3, TLSv1.2, !TLSv1.1, !TLSv1, !SSLv2, !SSLv3";
smtp_tls_protocols = "TLSv1.3, TLSv1.2, !TLSv1.1, !TLSv1, !SSLv2, !SSLv3";
smtpd_tls_mandatory_protocols = "TLSv1.3, TLSv1.2, !TLSv1.1, !TLSv1, !SSLv2, !SSLv3";
smtp_tls_mandatory_protocols = "TLSv1.3, TLSv1.2, !TLSv1.1, !TLSv1, !SSLv2, !SSLv3";
smtp_tls_ciphers = "high";
smtpd_tls_ciphers = "high";