This can be done from your Account Settings page. To access your Account Settings page, go to dubizzle.com and make sure that you're logged into your account. Click on your profile link in the top right of the web page, and then click on the "Account Settings" button that appears on your profile page.
On your Account Settings page you will have the option to change the email address on your account. Simply click on the "Edit" link next to the email address, enter the new email address and click on "Change Email"
Once the email address used is available, you will be redirected to the SMS verification page.
Once the SMS has been sent, you can tick the box "I have sent the activation SMS from: +971xxxxxxx. Then click Next to complete the process. Make sure that the verification SMS comes from the same mobile number you registered with your account.
For further assistance, we kindly request you to contact our customer support team by visiting http://dubai.dubizzle.com/contact/