CenturionSoft - Privacy Security Encryption - Software designed for businesses and consumers. Utilities include: privacy protection, encryption of emails and files, and productivity tools for MS Windows.
ControlMail - Document security software using sophisticated encryption techniques to send information via the Internet. The sender can apply security rights to control how a recipient handles the document information.
CryptoHeaven - Premium secure instant messaging, chat, online data storage, file sharing and email using 256 bit encryption. Free download offering 2MB of storage. Upgrades of storage and bandwidth are available.
FileBottle.com - Send free passcoded emails. Simple to use.
GlobalCerts - Offer a secure email gateway solution for businesses. Includes live demos, webcasts and brochures.
iSolv Technologies TSPMail - Provides security for e-mail communication without modification to existing software or network components through the use of Microsoft Winsock2 technology.
PostX - Provides secure Internet-based solutions that enable businesses to confidentially deliver high-volume, high-value information to each customer using Email and the Web.
Tumbleweed Communications - Tumbleweed messaging solutions combine Internet technologies in electronic mail, Web, databases, encryption, and content filtering to offer complete, secure electronic messaging solutions for e-business.
Zip File Encryption - Software to encrypt/decrypt/shred zip files for emailing. Recommended by PCWorld. Provides archive facilities and the built in compression feature makes for smaller files for transmitting.
ZipLip - A secure gateway appliance for encrypting and archiving email and files, secure webmail, and secure file collaboration.
Zixmail - Web based messaging offering secure delivery. Registration required by the sender and recipient. PC Magazine's Editor's Choice award. Compatible with other web based mail services. User does not have to change email accounts.