Oliver highly recommend to John (11/20/15) that his Craig's staff watch these two Cornell IT Security videos:

...

• https://www.it.cornell.edu/security/verified.cfm:

Learn not to get scammed

To help protect yourself and reduce you worrying if a suspect email is indeed a scam attempt, please review CIT's page on how to spot such fraudulent emails:

• https://it.cornell.edu/security-and-policy/spot-fraudulent-emails-phishing

See also

• Phishing emails at Cornell