diff --git a/mail-server/dovecot.nix b/mail-server/dovecot.nix
index 3f8d8af..941a4fc 100644
--- a/mail-server/dovecot.nix
+++ b/mail-server/dovecot.nix
@@ -312,6 +312,7 @@ in
           ssl_curve_list = lib.concatStringsSep ":" [
             "X25519MLKEM768"
             "X25519"
+            "SecP256r1MLKEM768"
             "prime256v1"
             "secp384r1"
           ];
diff --git a/mail-server/postfix.nix b/mail-server/postfix.nix
index 2ec2050..aa02d37 100644
--- a/mail-server/postfix.nix
+++ b/mail-server/postfix.nix
@@ -436,6 +436,7 @@ in
                 Groups = mkGroupString [
                   [ "*X25519MLKEM768" ]
                   [ "*X25519" ]
+                  [ "SecP256r1MLKEM768" ]
                   [
                     "P-256"
                     "P-384"