By Ffion Lewis A dad who spent his whole life saving for his retirement has been left struggling to make ends meet after falling for an email scam which saw him send thousands of dollars overseas. Renato Calalang, 60, had almost $150,000 (£77,000) sitting in his bank account waiting for when he could retire but has now lost it all after being duped by a “convincing” scammer. Renato is originally from the Philippines but moved toAustralia in 1986. However, he still has lots of family in Manila — some of whom he has never met — so when he received an email saying that he had been left some money…