Threats to macOS Users

Phishing is an extremely effective attack vector. My company's security group regularly and randomly sends out phishing emails. Those falling for it are sent to training for how to identify a phishing attack. I've heard anecdotally that some people have had to go to the training three times! Which I don't say to gloat - but merely to point out how well that attack vector works.

I know of no email client that tries to detect and warn about phishing or other forms of attacks.<p>Message contains executables masquerading as data files?<p>From: domain name is different from the received from:?<p>Homoglyphs in the domain name?<p>Tracking pixels?<p>White on white text?<p>Suspicious Javascript?<p>etc.