By Adam Dutton and James Connell A postman, who has been dubbed the “luckiest postman alive”, had a close call when a massive tree fell onto a postbox just as he was about to deliver mail. Adam Wilson, 40, reckons he was only “15 seconds” away from being squashed by the ancient oak tree. Adam was doing his rounds on Ripon Road in Ronkswood, Worcester, on Thursday morning when the towering tree came crashing down. The 40ft-high tree missed Adam by mere inches, while several hefty branches landed on a nearby postbox. The father of three said: “I have to be the luckiest postman alive. In another …