Most mail clients allow access to the message header.
The following list contains a few popular mail and web mail clients.
This article will teach you how to use "Email Headers" to backtrack and find the original sender's IP address. If it were, SPAM would still only be canned meat and an amusing Monty Python skit!
The first notice is issued when an account reaches 900MB.The reason for the bounce might have been a temporary problem, such as a full email box or network slowness, and therefore requires five occurrences before setting the email address to a False status for "Email_is_valid". Bounce Types / Error Codes Undelivered emails are classified as deferred, dropped, blocked, soft bounce or hard bounce. Review the list to see if any of the emails are valid. So you'd like to to find out just who is sending those email love letters, determine the sender of a blackmail message, or just root out the source of a virus emailed to you.There are indeed many such situations where you would like to know who sent a particular email message to you.Moreover, just as a postal envelope contains an address, a return address and the cancellation stamp of the post office of origin, an email message in these "Headers" carries with it a history of its journey to your email inbox.