RELATED: If You See This Message on Your Roku, Report It Immediately, Experts Say. RELATED: For more up-to-date information, sign up for our daily newsletter. The BBB notes that, “as a general rule, companies cannot send you text messages unless you opt in to receive them.” So if you have not given a company express permission to contact you through text, you should be even more cautious. RELATED: If You’re Sharing a Netflix Account, the Service Has a New Warning for You. RELATED: If You Get an Email From the IRS With These 3 Words, Don’t Click on It.