feat: enable mail transport security policies

2026-06-01 14:15:16 -07:00 · 2026-06-01 14:15:16 -07:00 · c82a15b415
commit c82a15b415
parent f9f75eb4cd
3 changed files with 27 additions and 3 deletions
--- a/modules/caddy.nix
+++ b/modules/caddy.nix
@ -77,6 +77,22 @@
        '';
      };

+      "mta-sts.extremist.software" = {
+        extraConfig = ''
+          handle /.well-known/mta-sts.txt {
+            header Content-Type "text/plain"
+            respond `version: STSv1
+mode: enforce
+mx: mail.extremist.software
+max_age: 604800
+`
+          }
+          handle {
+            respond 404
+          }
+        '';
+      };
+
      "search.extremist.software" = {
        extraConfig = ''
          rate_limit {