Getting email headers

When reporting a potentially malicious email to Information Security, it is most helpful if you can include the full header information for that message. This page contains instructions for obtaining full header information in various email clients. However, if you are having trouble obtaining the header information please go ahead and contact us without that information and we can get it later if necessary.

Office 365 (Outlook web)

Click New to create a new email message, and address that message to security@caltech.edu
In your messages list, find the suspicious email message and drag and drop it into the new message

Gmail

Looking at the suspicious message, click on the icon shaped like three dots in a vertical line on the top-right corner of the message ("More") then click Show Original
Click Download Original which will save a filed called {email subject}.eml to your downloads folder
Create a new message to security@caltech.edu and attach the file you downloaded in the previous step