You have nip-13 pow enabled in the client you're using there, but it's set below 28 bits of pow
Discussion
The client (a bot, actually) is dockerized. When starting the container on a development server, the message is sent to nos.lol without issue. But when doing so on the production server, it sends the message over POW. Obviously, the nsec is the same in both environments, so I assume the difference is due to the server's IP address.
Strange, I would think that error message should only respond to a pow tag in the metadata of the post
Maybe the relay is glitching or something