What are email headers and how can I display them?
Every email message consists of two parts, the body and the header. The header can be thought of as the envelope of the message, containing the address of the sender, the recipient, the subject and other information. The body contains the actual text and the attachments. Email programs usually display some header information like the From, To, Date & Subject fields. The actual delivery of email does not depend on any of these headers, they are just convenience. Usually, the From line, for example, will be set to the sender’s email address. This is so you know who the message is from and can reply easily. Spammers want to make sure you cannot reply easily, and certainly don’t want you to know who they are; so they insert fictitious email addresses in the From lines of their messages. This makes the From line useless in determining the real source of an email. Fortunately, the “hidden” headers of every email message can be very helpful in tracing spam. Just like a postal letter will go t
