Scenario:
You are the cyber security expert for a government organization. There is great concern that hackers from another country will infiltrate the government network by using a phishing attack to interfere with our election process. One member send you an email that looks suspicious, in order to provide law enforcement with as much information as possible you decide to track the sender.
https://www.ip-tracker.org/ — Trace the IP
Short Guides – You may need Google “how to view the source code for your specific” device, browser etc… also works on email that are not saved on your device.
Mac— https://www.lifewire.com/view-message-source-os-x-mail-1172799
Outlook (Windows)— https://www.extendoffice.com/documents/outlook/1794-outlook-view-email-source-code.html