A company has been sending promotional emails to its customers as part of an ongoing...

A company has been sending promotional emails to its customers as part of an ongoing marketing campaign. However, the company begins to receive multiple complaints from recipients stating that they are unable to unsubscribe from future emails. Customers express frustration as they report that the unsubscribe link, which is legally required to be included in every commercial email, is either completely missing from the emails or not functioning as intended. This prevents recipients from easily opting out of receiving further communications, which directly violates the provisions of the CAN-SPAM Act. The absence or malfunctioning of the unsubscribe feature has caused significant dissatisfaction among the recipients and is now a point of concern for the company.

The company is now under investigation by the Federal Trade Commission (FTC) for potential violations of the CAN-SPAM Act, which sets rules for commercial email practices. The company is facing legal action, and the authorities are examining whether they failed to comply with key provisions of the CAN-SPAM Act, such as the requirement for clear and accessible unsubscribe options and truthful subject lines. What violation of the CAN-SPAM Act is the company most likely being investigated for?