This email with the subject "Last Warning !!! UPGRADE TO SECURE YOUR EMAIL ACCOUNT" was received in one of Scamdex's honeypot email accounts on Tue, 30 Oct 2012 12:38:38 -0700 and has been classified as a Advance Fee Fraud/419 Scam.
The sender was "???" <firstname.lastname@example.org>, although it may have been spoofed.