No 10 says there are anti-spam measures and people who want to sign a petition have to give an e-mail address and a UK address including postcode, or an overseas address.
Worse still, for those whose name is Hasim or Omar, or whose address carries the 93 postcode of Seine-Saint-Denis the department covering the northern Paris suburbs, including Clichy-sous-Bois securing even an interim job is a struggle.