Instructions:If you go to interlinkdirect.co.uk and type your email in for a quote but don't go ahead with it, you should get an email shortly after like this:
"You requested a parcel quote today from Interlink Direct but
unfortunately you didn’t complete your order. :-(
We would like to give you a £5 discount* off your order so you can see just how easy it is to send a parcel with Interlink Direct and how reliable the service is.
At the payment screen quote voucher code FDC5 and the £5* will be automatically deducted."