Viewing email headers
The information in email headers can help you troubleshoot common user email issues. Amazon WorkMail allows you to view the header information for any message.
To view email headers in Amazon WorkMail
In the Amazon WorkMail web application, double-click on the email message to open.
Choose Message options (the gear and envelope icon) located in the upper-right corner of the message, next to the Sent on date.
The email headers appear under Internet Headers.