By obtaining the header of an email, we can gather various important information that will assist our team in dealing with domains infringing upon your brand.
From this information, we can verify the date and time of sending and delivery, the SMTP server that sent the message, as well as all the servers through which the message has passed. It is also possible to identify the sender and recipient of the email, spam filters, and other significant details.
To obtain this information, please follow the steps below according to the email server you use for your mailbox.
How to obtain the email header?
Gmail
Select the email from which you want to retrieve the header information. In the upper right corner, click on the More options icon and then select Show Original.
Outlook.com
Select the email from which you want to retrieve the header information. Click on the More options (…) button and select View message source.
Yahoo
Select the email from which you want to retrieve the header information. At the top of the page, click on the More option and then select View Full Header.
Outlook 2010
Select the email from which you want to retrieve the header information. Click on the File tab, then select Info and choose Properties.
Outlook 2007
Select the email from which you want to retrieve the header information. In the Message tab, in the Options group, click on the Dialog Box Launcher icon. In Message Options, the headers will appear in the Internet Headers box.
Outlook 2003
Select the email from which you want to retrieve the header information. Select the message you want to check the header for. Click on the View menu and select Options.
Outlook Express
Right-click on the message you want to view and select Properties. Open the Details tab.
If you have any questions, feel free to reach out at [email protected] 😊
[1] References: https://king.host/wiki/artigo/cabecalho-header