- Receives and views unencrypted e-mail messages - Receives and Decrypts SMIME and GPG encrypted e-mail messages (users must download iGPG separately. iGPG is available on the app store at http://itunes.apple.com/app/igpg/id458476710) - Message compose for unencrypted and GPG/SMIME encrypted e-mail messages - Supports POP3, IMAP4 and Exchange Web Services e-mail protocols (Exchange support is limited to EWS which is available in Exchange 2007 and later. Basic authentication must be enabled by the system administrator) - Support for multiple email accounts - Provides a file organizer to facilitate attachment management Supports the use of native viewers for attachments - Downloads the entire email, not just the headers - Provides encryption key management (import and export) - Ability to create key rules - Minimal support for signing e-mail messages - No support for folders other than Inbox