Edit Website. Add Email Piping and Email Relay to site. Urgently

we created our website using this script,- [login to view URL] now changes that we need are as follows, project is urgent so need an expert to get it done today. [login to view URL] relay. Hide the email or the seller / buyer when having a conversation in between each other. Confidential email - the true email of buyer or seller should not be shown to each other. 2. Where sold is written on the photo as on home page, make "Sold" same way in the ad. Featured listings to do the same. 3. When Country, Region or city is selected on home page, make home page link ([login to view URL] (Country name) or [login to view URL] (region name) or [login to view URL] (city name) 4. Improve instant messaging platform on the site and post messages button on top right corner of site by my account.