- Here you need to know not only the subject line, the sender and the date
- The role of email headers
- View an email header
- Understanding the email header
Here you need to know not only the subject line, the sender and the date
What you probably think of as an email header includes the “to” and “from” addresses, as well as the date and subject line. But this is really just the tip of the iceberg. The entire email header contains much more information that can be useful in certain situations, such as troubleshooting or fraud prevention.
The role of email headers
Each letter consists of two parts: a header and a message body. Email headers contain hidden information that controls the transmission of the message and identifies metadata. In addition to the data you normally see, the header contains information such as the path of the email, the servers it travels through, the time and priority of the message.
Most people never need to view the entire email header. However, when troubleshooting email, a technician may ask you to submit the full headline for evaluation.
In addition, you can use it to identify the sender of spam or to verify that an email is a spoof or phishing attempt. Phishing attempts are malicious attacks that attempt to share your personal or sensitive information with a person impersonating a genuine source (such as your bank or other financial institution). Examining the headers can be a powerful way to identify these scammers and keep them safe.
View an email header
At first glance, email headers are long (sometimes longer than the body of the message) and complex. But most email clients and email web pages allow you to display email headers. Each e-mail program has its own method of viewing the entire message header. The instructions below show how to view the header in gmail ; refer to third-party documentation to learn how to view headers in those programs.
Open a Gmail message.
In the top right corner, select the icon menu (three points). Choose from the menu Show original .
You will see some basic information at the top and the full title at the bottom. Scroll down to see more.
Review the following information to understand what you see in the full headline.
Understanding the email header
Email headers can appear as long, complex blocks of text, but if you know what to look for, you can search for them like a pro. Here is some of the information you will find:
- content type . Indicates whether the message is HTML or plain text.
- date : When the message is composed.
- Delivery date . When the message is received by your mail server.
- By . Who sent the message.
- Have received . All servers to which the message was sent.
- way back : Where the reply to the message will be sent.
- Subject . Message Subject.
- To who : Who is this message for?
- X-Originating-IP . The IP address from which the message was sent.
- X Spam . Spam information generated by the email service.
Email header information can be forged. In particular fields such as: By , can be easily managed. Only sections containing the keyword Have received should be fully trusted.