In the following instructions, we will show you how you can analyze the header of an e-mail in Outlook and thus find out who the real sender of the e-mail is.
3. Copy the entire text below “Internet headers” by marking it (Ctrl + A) and copying it (Ctrl + C). Then close the window:
4. Open a „mail header analysis“ website in your browser, for example, the website provided by Microsoft (https://mha.azurewebsites.net/) and insert the text you copied so that it can be analyzed.