Weird "Ghost Spam" Testing Addresses
A wave of strange emails with strings of numbers as their only message are most likely a spammer's or hacker's test of his mailing list, several security companies concluded Thursday, and may presage a junk mail campaign or a malware attack.
The messages, which Panda Software characterized as "ghost mail," are unusual in that the send and from fields are the recipient's own address, that the subject heading is a number -- 455, 557, 56757, 586876, or 1545453 -- and the message body is a mix of HTML and apparently random numbers. InformationWeek | Security | Weird "Ghost Spam" Testing Addresses | June 8, 2006
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