Volcano by Lavabit is a free, open source mail client designed for the Dark Internet Mail Environment (DIME). It is compatible with dark mail-compatible email accounts and is in development for iOS, Android, and webmail. Volcano enhances your preferred email client with Lavabit's security and power, providing automatic, transparent, secure end-to-end email by encrypting every facet of the communication: the body, metadata, and the transport layer.