Systems and methods for secure messaging are provided. A sender may encrypt content and send the encrypted content to a recipient over a communications network. The encrypted content may be decrypted for the recipient using a remote decryption service. Encrypted message content may be placed into a markup...http://www.google.de/patents/US7266847?utm_source=gb-gplus-sharePatent US7266847 - Secure message system with remote decryption service
