Alternative gigabytes Email choice? (Score 1)

I've tried another Email seriver at: www.spymac.com. They provide 1GB(1048576 Kb) space for Email, and meanwhile hundreds of mb spaces for web host, weblog and photo storage use only. There is FIND function which is no advatange among existing web-email systems, I think. Because it has neither hight searching speed nor result page with more usability. Does anyone know what technology they are using to put up such big storage email service(distributed system, too?)? You can have a try and give your comments on this.