Email used to be simple and easy. But as cyber criminals became more sophisticated, email systems had to become more secure. One of the basic checks to ensure an email address with a custom domain is legitimate is to check if there is a website associated with the domain. Hence, this website. It's sole purpose is to ensure my personal email doesn't get blocked by recipients with strict security policies in place. Initially, back in the '90s, I obtained a custom domain name and started using it for personal email. It was easy. However, as email systems evolved and became more secure, my email started to be blocked by corporate email systems that had tight email policies.
In addition to setting up my own strict policies using SPF, DKIM, DMARC, and MTA-STS, I had to create a website. This is it.