Final answer:
Headers and email signatures are elements added to emails for CAN-SPAM compliance. The subject line must clearly represent the content, and the email signature contains identification and legal disclaimers.
Step-by-step explanation:
Text and images that are automatically added to the beginning and end of email messages to ensure compliance with CAN-SPAM regulations are known as headers and email signatures. These elements serve to provide necessary information and legal compliance.
The subject line of an email should clearly indicate the content of the message, allowing the recipient to prioritize their emails effectively. It functions like an essay title, representing the main point and is essential in making a good impression. Similarly, the email signature provides identification and sometimes additional information such as disclaimers required by law. Both of these components are essential for professional email communication and compliance with regulations.
While composing an email, it's crucial to have a clear and meaningful subject line, and to proofread the message before sending. Such practices not only ensure the message is well-received but also help maintain a professional standard that respects and appropriately addresses the recipient.