- The mail source consists of the complete source code of the email. In an email program like Outlook, only part of the code is shown – the “body” of an email message. The part of the mail source that is not shown (default setting) is the “mail header”.
- The mail header shows the subject of an email and gives information about the sender, receiver, and the route that the email has taken to reach the recipient.
Avira can determine why an unwanted email has been received by analyzing the mail source.
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