Are contact forms protected by CF? | Cloudflare Developers | Page 1

This is browser side validation, see https://developer.mozilla.org/en-US/docs/Web/HTML/Element/input/email#validation for more details

MDN Web Docs

- HTML: HyperText Markup Language | MDN

elements of type email are used to let the user enter and edit an email address, or, if the multiple attribute is specified, a list of email addresses.

It's not related to Cloudflare in any way

#Are contact forms protected by CF?