How to spot a phishing email

The editorial team at CSO were targeted by a phishing campaign recently. If it had been successful, the person(s) behind it would have tricked us into installing the Zeus Trojan, which is financial malware. Lucky for us, however, our user awareness training took hold, and we used some basic logic in order to spot the scam. Here's an overview of the phishing message itself, and the thought process used to determine that it was a scam.