internal revenue service

Beware the Fake I.R.S. e-Services Website
First of all, and this bears repeating, the IRS is not going to notify you of any situation by e-mail. Ever. Nor will the IRS send you a text message. So if you get a text message that says, "OMG, Yur like all behind on yer taxes...hit us back asap", it's probably not the IRS