[email] Adds the verbose env file to the repo

system/hosts/mcp/containers/email.nix

@@ -19,11 +19,19 @@ in {
       "/tank/mailserver/config:/tmp/docker-mailserver"
       "/etc/localtime:/etc/localtime:ro"
     ];
-    environment = {
-      ENABLE_RSPAMD="1";
-      ENABLE_CLAMAV="1";
-      ENABLE_FAIL2BAN="1";
-    };
+    # environment = {
+      # See https://docker-mailserver.github.io/docker-mailserver/latest/config/environment/
+      # docker-mailserver uses 0 and 1 for false and true respectively
+    #   ENABLE_RSPAMD="1";
+    #   ENABLE_CLAMAV="1";
+    #   ENABLE_FAIL2BAN="1";
+    #   LOG_LEVEL="info";
+    #   ENABLE_POP3="0";
+    #   ENABLE_IMAP="1";
+    # };
+    environmentFiles = [
+      ./email/mailserver.env
+    ];
     extraOptions = [
       # add network admin capability for Fail2Ban
       "--cap-add=NET_ADMIN"