I am new to html and wordpress world. i literally know nothing. Today i have to work on wordpress. My requirement is to create a basic subscription form in wordpress using which my users can subscriber to Dreamhost announcement list. I am able to create custom html formin wordpress which is working fine. If user filled in the details and click on submit button, a default message is displayed by dreamhost which i want to change and display my own page. The process to do that is given by dreamhost in their website, please click here to go to website. The problem is i created custom page and linked the page and wordpress is returning 404 error. please help in doing this.
Read more here: How to link html page in WordPress