Each message sent over the Internet has a header. These are usually hidden from you, but in the case of email it can be useful to check these occasionally when you wish to check a message's authenticity.

Formatted information attached to the front of data sent through a computer network. The headers contain information used to correctly deliver and process the data being sent.

A section of an email detailing the path the email took from sender to recipient, including servers, the time the servers were reached, and any messages they returned when dealing with the email.

Blocks of data written at the beginning of tapes or files that contain specific identification information.

contain information about the e-mail and the route the message has taken across the Internet. Headers include sending and receiving mail servers, dates and times, as well as recipient's information ("to" line), the sender information ("from" line) and the subject line. The Can Spam Act (see above), makes it illegal to forge or conceal information contained in the header. Heuristic Filters Heuristic filters attempt to identify UCE using reiterative guesswork and past experience, to establish filtering rules.

Headers are pieces of information about a web document sent before the document itself, to identify properties of it.

Headers are all the information that is not contained in the body of an article. For example, when you compose a letter, you include information such as when the letter was written, who it addressed to, where it came from, and other bits of information not related to the body of the letter where you express the thought you wish to convey.

Headers are used to identify the sender and recipient of a message. A Header is the small information line that will appear at the top of a mail.

Data attached to the beginning of a transmission, such as an e-mail or a packet that contains information related to the transfer. Headers may include delivery information for routers such as an IP Address, or information for an e-mail server, such as SPU's Exchange server, telling the server to which e-mail mailbox to deliver the message.

The documentation that accompanies the body of an email message. Headers contain information on the email itself and the route it's taken across the Internet. Recipients can normally see the "to" (identity of recipient), "from" (identity of sender) and "subject" (information in the subject line) headers in their inbox. You can modify these to influence their decision to open or delete an email.

Information included at the top of every MMDF mail message. Headers minimally identify the message sender, recipient, and the date it was sent, and can optionally provide other information such as carbon copy recipients, message ID information, and message priority.

headings; sections The header component is used to title and separate contents on a page. It may be used in the general body of contents of a page, in a column, in a message area, or in a content container. There are three types of headers: headers, subheaders, and subsubheaders. Each type of header has a rule (or line) underneath the text. A subheader, and a subsubheader can be subdivided into a columnar format, or adjacent sub/subsubheaders. It is optional whether or not to use an icon with the header and rule. Use the header name if needed; refer to subheaders followed by section, for example, "the Canceled Orders section". Headers

Phrases at the start of a message that tell you what the message is about. They are like headlines in a newspaper that tell you what a particular new story is about.

Hidden text

The portion at the beginning of an email message that includes information such as To:, From:, Subject:, CC:, X-Sender, etc.

Headers are the part of an email that most people do not see. Headers contain not only the "Subject:" line, but a complete list of the path that the email took along various machines on the Internet to reach it's destination. Learning to decipher headers is a major part of becoming a spam hunter, because the spammer will usually try to forge, conceal, and mislead with the headers.

Lines at the beginning of an e-mail message or newsgroup post that contain information about the message: its source, destination, subject, and route it took to get there, among other things.

The first portion of an article (normally hidden by your newsreader) that identifies important characteristics of the message. In (Free)Agent, press H to see the headers.

Constructed from steel tubing, headers provide a smooth and efficient exhaust flow path from the exhaust port to the exhaust system. Headers are frequently used in performance engine applications and are generally less restrictive than the stock exhaust manifold, resulting in increased power.

System that routes exhaust from the engine.

Fine-tuned exhaust system routing exhaust from engine. Replaces conventional exhaust manifolds.

DOUBLE WOOD PIECES SUPPORTING JOISTS IN A FLOOR, OR DOUBLE WOOD PIECES SET ON EDGE OVER WINDOWS OR DOORS, TO TRANSFER THE ROOF AND FLOOR WEIGHT TO THE ADJACENT STUDS.