Step 1: Paste your bounce back message below

When you paste in your bounce back message:
  1. Start with the text that says
  2. End end with the line that reads
    ------ This is a copy of the message, including all the headers. ------
Refer to the screenshot and text below for an example.
  1. Forward the bounce back message to your own email address.
  2. When you receive this forwarded copy of the bounce back message, copy the headers as described above (and highlighted in the screenshot to the right)
  3. Paste what you copied into the box to the right, and then click Submit.