nostr:npub1el3mgvtdjpfntdkwq446pmprpdv85v6rs85zh7dq9gvy7tgx37xs2kl27ryes if you look up the event id and give it to this service: https://nostr-delete.vercel.app/ It will push the delete event for the dm event out to peers and most will drop them. You could write up a nostr service that deletes all of your dm’s over x days old. ;-D