Followig is a list of gmail proxies that work.
http://backdoorsurfer.com
http://www.summersurf.net
http://www.jacoto.com
http://aksurf.info
http://pleep.info
http://www.proxysite007.info/
http://www.proxy911.net
http://www.allnaturalproxy.info/
http://www.tunnelmyspace.com
http://www.allnaturalproxy.inf