From www.irs.gov:  IRS Tax Tip 2014-19
Tax scams that use email and phone calls that appear to come from the IRS are common these days. These scams often use the IRS name and logo or fake websites that look real.
Scammers often send an email or call to lure victims to give up their personal and financial information. The crooks then use this information to commit identity theft or steal your money. Some call their victims to demand payment on a pre-paid debit card or by wire transfer. But the IRS will …