Email spoofing is when the email header's "From" line is modified to something other then the actual original sender. A common symptom of someone spoofing your email address is getting tons of spam return-messages (like Failure Notification or Mailer Daemon) for emails you never sent or receiving spam emails from yourself which you did not send. Generally, you will never see spoofed emails. However, if the email spoofer happens to configure his "From" header to be a real email box, the bounce back notification will come back to your mailbox.
The way email spoofers are tracked down is from the server that is used to authenticate for originally. The server being used gets reported to ISPs and Email Realtime Black Lists (RBLs) and the spoofing emails stop.
How to Prevent Email Spoofing
By creating an SPF record servers will verify the user has permission to send mail from that domain using the domain's DNS. For more information on how to set this up, see SPF Records.
SPAM is a brand of canned mystery meat made by Hormel Foods Corporation. It was first introduced in...oh wait, different kind of spam—but still related to email spam because they share similar characteristics, like nobody wants it or ever asks for it. Email spam is electronic junk mail or more gen
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