Hi David - sorry for the confusion here.
Because you’ve created a CNAME record for your root domain: “www.kindoosystems.com” the Unbounce landing pages will take precedence over any content you had on the domain, email hosting included.
In order to fix this, you may want to consider using a subdomain and then create the CNAME record for your subdomain. For example “try.kindoosystems.com” . This should do the trick.
If you have any questions or concerns about going down this route, please shoot us an email at firstname.lastname@example.org and we’ll be sure to guide you.