If you send commercial emails of any kind, the CAN-SPAM Act applies to you. And if you're in violation, you could be reported to the FTC and face fines of up to $16,000 for each separate email sent!

CAN-SPAM Act violation reporting?

However, if you believe a spammer is acting against the CAN-SPAM Act, sending out unsolicited advertisements to cell phones, you can file a complaint with the FCC. If a company violates the act by refusing to unsubscribe recipients from email messages on request, you can file with the FTC.

What is the penalty for violating the CAN-SPAM Act?

The CAN-SPAM Act is enforced primarily by the Federal Trade Commission (FTC), which can seek civil penalties of up to $16,000 per violation (with no maximum penalty).