Unable to connect iphone with exchange account using msync

Unable to connect iphone with exchange account using msync

Hi im trying to connect my iphone to zoho by creating a exchange account:

I enter the following details:

Email: Tried both 'wesley@readcloud.com' & 'wesleyarchbell@zoho.com'
Server: msync.zoho.com
Username: Tried both 'wesley@readcloud.com' & 'wesleyarchbell'
Password: *********

I get the following error: 

"Unable to verify account information"