Parts of an email message

An email message consists of the following general components:


The message headers contain information concerning the sender and recipients. The exact content of mail headers can vary depending on the email system that generated the message. Generally, headers contain the following information:


The body of a message contains text that is the actual content, such as "Employees who are eligible for the new health care program should contact their supervisors by next Friday if they want to switch."  The message body also may include signatures or automatically generated text that is inserted by the sender's email system.


Attachments are optional and include any separate files that may be part of the message.