auto responder replier for gumtree website

I need a functioning gumtree auto replier script. I would like to be able to select a category from a specific city and respond to all posts uploaded that day and also if possible to reply to only posts that contain certain words. Details: 1. Must be multithreaded - 100-500 threads 2. Must be able to handle proxies and rotate proxies accordingly. Must grab proxies from URL using socks5 or HTTP and refresh it ever x minutes. 3. Must be able to rotate user agents 4. Must be able to select any category in any city that I want at once. 5. Must implement [login to view URL] support and DLL file to solve captchas. 6. Must be able to rotate "from" address by exporting from a list of email adderesses. Must supports huge email lists without affecting memory 7. Must be able to set delays. Must be have function of writing variables in the ad content when replying. 8. Must be programable 9. Finally, all I ask is that it WORKS. It will be rigorously tested in all sites. please write "gumtree" in you bid message that way I know you read the scope and are not a generic bot Look forward to hearing from everyone