|Missing hunt: Kate McCann will help find missing children|
The Royal Mail’s 124,000 postmen and women will get alerts on their scanners, used to track and sign for deliveries, when a child or adult disappears.
The group will also use nearly 2,000 TV screens at mail centres to raise the alarm in the tie-up with charity Missing People, which is promoted by Kate.
A recorded message from the former GP will be shown for the first time on Tuesday to Royal Mail staff on their internal telly network.
In it, Kate, whose three-year-old daughter disappeared from a holiday apartment in Portugal in May 2007, tells them: “We hear of people who are willing to help, who see people every day, see changes in routine every day, and I think it is a really exciting prospect in the crucial role they can play.”
Kate, 46, an ambassador for the charity, helped launch an enhanced child rescue alert scheme in spring.
She and heart doctor husband Gerry, 46, from Rothley, Leics, believe Madeleine – who would now be 11 – could still be alive.
Police have quizzed a British gardener, who working near the apartment little Maddie vanished from, about his whereabouts during a critical two-and-a-half hour period on that night.
The ex-pat, who still lives in Portugal's Algarve, was working near the holiday flat which the three-year-old vanished from.