Beware e-mails purporting to be an "e-card" from "friends" or "family". If there is not a name of someone you know directly identified in the e-mail, you are being lured into a spam botnet. See the PC Magazine article excerpt below, and click on the link to read the entire article.
Thursday August 23, 2007
The big effort to build a new botnet these days is through the Storm Worm. Researchers say it has been morphing rapidly in an effort to avoid detection.
The initial blast of the worm used the lure of an e-card. More recent versions have reverted to the old, but still effective, promise of free pornography. McAfee says that the e-mails with Storm Worm links in them tend to have blank subject lines.