Certainly people's experiences might vary, but I have only had a couple companies threaten me for using their company name and way more success in just blocking

Certainly people's experiences might vary, but I have only had a couple companies threaten me for using their company name and way more success in just blocking addresses when I get spam-stormed. I agree it's rare, but so annoying when it happens, so it seems easier just to have a catchall. hn@drewpalmer.com