Stack0
Tools/Email Header Analyzer

Email Header Analyzer

Debug email delivery issues, trace message routing, and verify authentication

How to Get Email Headers

Gmail

  1. Open the email
  2. Click More (⋮) in the top right
  3. Select "Show original"
  4. Copy the headers section

Outlook

  1. Open the email
  2. Click File → Properties
  3. Find "Internet headers"
  4. Copy the entire text

Apple Mail

  1. Open the email
  2. View → Message → All Headers
  3. Or use View → Message → Raw Source
  4. Copy the headers

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