From 647ea0667423ced895e4bcdd73a9401b1fe3ee69 Mon Sep 17 00:00:00 2001
From: Azat Bahawi <azat@bahawi.net>
Date: Sun, 5 Nov 2023 18:10:26 +0300
Subject: 2023-11-05

---
 nixosConfigurations/manwe/mailserver/default.nix | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'nixosConfigurations/manwe')

diff --git a/nixosConfigurations/manwe/mailserver/default.nix b/nixosConfigurations/manwe/mailserver/default.nix
index 4f58df7..88edf25 100644
--- a/nixosConfigurations/manwe/mailserver/default.nix
+++ b/nixosConfigurations/manwe/mailserver/default.nix
@@ -54,6 +54,14 @@ with lib; {
   in {
     enable = true;
 
+    # Disable potentially insecure[1] STARTTLS connections. SSL-only connections
+    # are still enabled by default.
+    #
+    # [1]: https://www.rfc-editor.org/rfc/rfc3207#section-6
+    enableImap = false;
+    enablePop3 = false;
+    enableSubmission = false;
+
     fqdn = config.networking.domain;
     domains = with my.domain; [azahi gondor rohan shire];
 
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