Maybe this works?

1 files changed, 2 insertions, 2 deletions

diff --git a/host/Rory-nginx/services/email/nginx.nix b/host/Rory-nginx/services/email/nginx.nix

index 44a99fb..19844ba 100644
--- a/host/Rory-nginx/services/email/nginx.nix
+++ b/host/Rory-nginx/services/email/nginx.nix
@@ -8,11 +8,11 @@
         "/.well-known/mta-sts.txt" = {
           # age 604800
           return = ''
-            200 'version: STSv1
+            200 "version: STSv1
                  mode: enforce
                  max_age: 120
                  mx: mail.rory.gay
-                 ';'';
+                 ";'';
 
         };
       };