However, messages like these are IRS scams seeking your personal and Do not respond to the messages or click on any links or attachments because they. Learn what tax identity theft is, what you can do to guard against it, If you get a letter like this from the IRS, follow the instructions in the letter. Here's what to do if one shows up in your mailbox. 1. Stay calm. Before your heart starts racing, remember that not all IRS letters are delivering bad news. In.