Spoofing is the work of a spammer, and it does NOT indicate any security breach on your computer or Earnware's.

Spammers generally don't want to put their own email address in the From field, so they try to divert attention from themselves by making it look like someone else sent that spam message.

It's trivially easy to spoof the From address in an email. In fact, most email software will allow you to change the From or the Reply-to address to whatever you want. Spammers use high-volume mail merge software that picks a From address at random from their database of addresses, and sometimes even the recipient address is forged.

It's even worse when the spam *is* delivered to a valid address and that person blames YOU. In such a case, you can just explain that it was the work of a Spammer who forged your address. If they give you flack, tell them to examine the Received lines in the email headers (most email programs let you view the headers if you poke around in the options) and they'll see that the source of the message was not sent from your service provider.

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Spoofing an address is when a virus chooses random email addresses from the many found and sends email messages out so that they appear to be coming from one address rather than from the person whose computer is infected.

How can you keep your email address from being falsely used as the originating address of an infected email? It's close to impossible. If your friends have your email address in their address books, or if you give business institutions or Web sites your email address, it resides on a server somewhere and could be found and used for spoofing purposes without the knowledge or consent of those who have your address. In general, the fewer people & places who have your email address, the less likely it is that it could be used as the originating address of a spoof email (and the less likely you'll receive spoofs, too).

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KB » General Troubleshooting