To view the full headers of a message in webmail:
- Log into webmail and open the message.
- In the message window, there will be a row of options near the top. Click on Message Source which will open a new window and display the headers.
If you need to copy the headers in the message source window then click anywere in the window and press 'Ctrl' + 'A' to highlight everything.
Once the information is highlighted, press 'Ctrl' + 'C' to copy it.