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What are Email Headers?

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Recently Updated: March 27, 2009 11:05 AM

Every email message includes a block of text at the top that is referred to as the header. The header contains details about the message, including the sender's information, the recipient's information, the servers that handled the message as it traveled from the sender to the recipient, etc. However, many email clients don't display the header information by default.

To view the full header information using different email clients:

Outlook

  1. Open the message for which you want to view the header information.
  2. From the View menu, select Options.
  3. In the Message Options window, copy all of the text in the Internet Headers field.
  4. Go back to the Spam Abuse Report form and paste the Internet Header information you just copied in the Submit Complaint field.
  5. Click Submit Complaint.

Outlook Express

  1. Open the message for which you want to view the header information.
  2. From the File menu, select Properties.
  3. In the Message Properties window, go to the Details tab.
  4. Copy all of the text in the Internet Headers for this Message field.
  5. Go back to the Spam Abuse Report form and paste the Internet Header information you just copied in the Submit Complaint field.
  6. Click Submit Complaint.

Eudora

  1. Open the message for which you want to view the header information.
  2. In the Message Toolbar, click the Header icon to display the header information.
  3. Copy all of the header information text at the top of the email message.
  4. Go back to the Spam Abuse Report form and paste the Internet Header information you just copied in the Submit Complaint field.
  5. Click Submit Complaint.

Netscape

  1. Open the message for which you want to view the header information.
  2. From the View menu, select Message Source.
  3. Copy all of the header information text at the top of the email message.
  4. Go back to the Spam Abuse Report form and paste the Internet Header information you just copied in the Submit Complaint field.
  5. Click Submit Complaint.

WebBased Email

  1. Open the message for which you want to view the header information.
  2. From the More Action drop down list, select View Full Headers, and then click Apply.
  3. Copy all of the header information text at the top of the email message.
  4. Go back to the Spam Abuse Report form and paste the Internet Header information you just copied in the Submit Complaint field.
  5. Click Submit Complaint.