On Tue, 10 Nov 2009 11:57:51 +0000, The Natural Philosopher
wrote:
Roger R wrote:
If provision of a letter box is a requirement, now that the post office
counters have a plastic size template limiting the size for first class
minimum postage letter to a narrow slot of 165 mmm x 5 mm, perhaps we can
reduce our aperture to that size and still meet the regulation.

Regrettably even this would not stop junk mail coming through it.


Nothing stops junk mail.


But you can elect not to receive the leaflets and flyers that the
Royal Mail delivers with the "real" mail. In my experience that cuts
down the total volume of stuff delivered by about half.