p7mviewer 3.0.8.1284

p7mViewer is a standalone application designed to view files and E-mail messages encrypted and/or signed in compliance with the S/MIME standard.

Typical use cases :
-Reading signed email in a web mail client
-Viewing encrypted email attachments
-Viewing encrypted mail in OWA without SOWA installed
-Exploring .p7m files
-Viewing corrupt SMIME emails
-Opening smime.p7m files

Features:
- Displays HTML and plain-text content of .p7m messages
- Extracts .p7m files attachments
- Verifies and displays message security
- Integrates with Windows Shell
- Windows Address Book support
- CryptoAPI support
- Drag and drop attachments extraction
- .p7m Files context menu for easy attachments extraction

Message Security:
- Handles typical and sophisticated (multiple security-layer, multiple signatures) S/MIME files
- Security information summary for typical .p7m files in main window
- Detailed on-demand information on security structure of a .p7m. file
- Detailed security information for each security layer
- Security information of not-decrypted files (for each decrypted layer or decrypted-contained layer)

Performance:
- Handles arbitrarily large files
- Handles multiple security layers
- Low memory usage during attachment extraction in no-window mode
- Displays as much content of broken (e.g. incompletely retrieved) files as possible

Cryptography:
- Windows supplied cryptography (CryptoAPI)
- Smartcard support through CSP (requires software supplied by the smartcard manufacturer installed)