How to view Email Headers

Hotmail

  • Go to Mail -> Mail Display Settings
  • Change the Message Headers section to Advanced
  • On reading an email, all message headers will be visible

Gmail

  • On viewing an email -> More options
  • Select Show original
  • Full message headers will be displayed in a new window

Yahoo! Mail

  • Mail Options -> General Preferences -> Show all headers on incoming messages
  • On reading an email, all message headers will be visible

Mozilla Thunderbird

  • Go to View -> Headers -> select "All"
  • The headers are immediately displayed

Microsoft Outlook 2007

  • Right Click on the message -> Goto "Message Options" -> Headers

Microsoft Outlook Express 5

  • Right click on the message -> Select Properties
  • Choose the Details tab -> Message Source Button

Eudora Pro

When reading an email message, look at the toolbar just above the message itself. There should be a button labelled BLAH, BLAH, BLAH in black and white. Click on this and the full headers will appear.