The standard email header in the mail client Thunderbird 3 spans across three rows. It displays information such as the the sender’s email, the subject, email recipient and toolbar buttons to quickly reply, forward, delete or tag the email. The email header can be expanded to display all email header information which are important if [...]
Understanding Email Headers
Everyone knows how to send and recieve emails but only a few understand the concept behind the process. Emails are normally not send directly from your machine to the recipient. Mailservers that are setup by your ISP for instance process incoming emails and send them on their way. This information is stored in the headers of the email. Understanding email headers helps you identify spam directed at you.

