"The biggest tech hurdle is providing email functionality that people expect, such as searching emails, that are trivial to provide if emails are stored in plain text (or available in plain text) on the server side," Kumar said. "If all the server can see is encrypted text, as is the case with true end-to-end encryption, then all the functionality has to be built client side. [That's] not quite impossible, but very, very hard. That's why even Silent Circle didn't go there."Source: Mashable
Thus, Kumar warned a service from Mega may take some time. "[It's] exciting stuff, but very hard, so I think it will take months more to crack it. But Mega will never launch anything that undermines its end-to-end encryption core security proposition and doesn't work for the mythical grandmother."
Kim Dotcom to open his own encrypted e-mail service
Posted on Tuesday, Aug 13 2013 @ 11:16 CEST by Thomas De Maesschalck
Last week we saw the closure of two encrypted e-mail services but now Kim Dotcom will fill in the void by launching his own secure, encrypted e-mail service through Mega. Mega CEO Vikram Kumar said the service will deliver Gmail-like functionality while offering true end-to-end encryption: