The proof is in the pudding. INSKEEP: The proof is in the pudding, he said. Tim Lowe wrote us all the way from Santiago de Cali, Colombia, and he writes the following: Frank, the proof is not in the pudding. It would be a messy, if not completely silly place to keep it.
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.
It may go through several email servers until it reaches the email server on which the recipient of the message has a mailbox. From the time when the message is first created, information about it is added to a hidden section of the message known as the Internet header.