secmail-ios

SecMail is an open-source secure email client for iOS and Android.

High-level features of SecMail:

1. Secured Mail to retain the mail content in a sandbox-like file system in Mobile Phone
2. Email content is under data life cycle control such as encrypted when stored, expired in N days and Content can't be access by other apps.
3. Can integrate with various authentication such as Google Authenticator, PKI Certificate and RSA token.
4. Auditing trail can be collected centrally.
5. Connect to Lotus Notes Server and Outlook Server.

SQLCipher integration with iOS:

http://sqlcipher.net/ios-tutorial/