https://www.zdnet.com/article/some-email-clients-are-vulnerable-to-attacks-via-m...
https://security.stackexchange.com/questions/235427/what-are-the-dangers-of-a-ma...
https://adamsilver.io/blog/the-trouble-with-mailto-email-links-and-what-to-do-in...
Back in your court. Do I have to provide 3 more? I can.