Really not unreasonable. Postage is expensive- on something like a mobile phone bill just that would be 1-2% of the gross, before printing etc. And moreover e

Really not unreasonable. Postage is expensive- on something like a mobile phone bill just that would be 1-2% of the gross, before printing etc. And moreover enormously wasteful of resources where email seems to work pretty well. (And for handling commercial invoices dealing with people still sending paper ones is an expensive irritation)