Forgot to use branches, remember kids: use protection

I'd like less generations please side note:
it's a bit weird that you can't specify how many generations you'd like
to keep, like what if I want 3 generations to stay available?

hosts/crayon/mailserver.nix

@@ -30,6 +30,9 @@
           "security@zacharyscheiman.com"
         ];
       };
+      "spamella@zacharyscheiman.com" = {
+        hashedPasswordFile = config.sops.secrets."mail/me".path;
+      };
     };
 
     # Use Let's Encrypt certificates. Note that this needs to set up a stripped