Is 321 Greetings a Scam? See Review Suspicious 3 3 7.6K 1 Jan 14, 2021 2021-01-14T07:09:32-05:00 Feb 15, 2023 2023-02-15T05:56:56-05:00 Online Threat Alerts (OTA) 321 Greetings is a legitimate security-related site used for phishing tests. It is NOT a greeting website. Companies use it as a phishing test - they send their employees an email purporting to be from 321. If they fall for it and click through, the IT department sends them a reply letting them know they fell for a scam and educate them about it.