Today i got new website to get free .edu email address, i signup student prime trail 6 months with that and its working like charm.
its working for bestbuy student discount , microsoft student discount also
follow below steps and refer screenshot.( download it for your reference)
1. Go to http://home.cccapply.org
and select Canada college from dropdown menu
and follow step from screensot.
NOTE - Make sure you follow all step as mentioned in screenshot. ( california address, california school details etc. )
let me know if there is any question or doubts
IF you are not interested then this forum for not you, but this is 100% working method.