Learn how to use Voltage Security has a secure email client for both iOS and Android devices that mimic the same user interface
of the device's native email apps. It is easy for IT to manage and scale without a lot of hassle for email message storage and key management. It is easy for business users to adopt without cumbersome certificates and web links.
Requires iOS v 5.1
Price: App is free to download, requires Voltage SecureMail Mobile Edition-enabled server.