All of this reminds me of a hilarious situation at a previous employer. As is standard corporate practice, they used to tell people to inspect links by hovering over them to confirm that they lead to the official website of the sender.
People kept falling for phishing links though, so they got a Trend Micro device to scan emails, which also rewrote every link in it to point to their URL scanning service, which means every link now looks like https://ca-1234.check.trendmicro.com/?url=...; I guess no one would be allowed to click on any link in an email at that company.
Of course, their URL rewrites also broke a good number of links, so you'd wake up to a production incident, and then have to get your laptop, log in manually to Pagerduty/Sentry or what have you, and look up the incident details from the email...
People kept falling for phishing links though, so they got a Trend Micro device to scan emails, which also rewrote every link in it to point to their URL scanning service, which means every link now looks like https://ca-1234.check.trendmicro.com/?url=...; I guess no one would be allowed to click on any link in an email at that company.
Of course, their URL rewrites also broke a good number of links, so you'd wake up to a production incident, and then have to get your laptop, log in manually to Pagerduty/Sentry or what have you, and look up the incident details from the email...