> ... some people treat mark as spam as their delete button, certainly more than 0.1% of people. Don't ask me why. If a business sends mail that I've not previ

> ... some people treat mark as spam as their delete button, certainly more than 0.1% of people. Don't ask me why. If a business sends mail that I've not previously indicated I'm ok with them sending (newsletters out of the blue, unasked for "summary of stuff you've missed" emails, etc), then it's spam and will be treated as such.