Corporate Mail Manager for Windows   
http://www.cm-manager.com

Corporate Mail Manager (CMM) enables the central distribution of commercial company communication via daily e-mail traffic. All outgoing e-mails of a company can be provided automatically with content like messages, product notes or current enterprise news. That’s signature marketing through the use of Corporate Mail Manager. Key Features: - Domain administration - Campaign administration - Replace keywords in outgoing e-mail with defined slogans - Attach automatically slogans to each outgoing e-Mail - Deliver e-mails without smart host - supports HTML and text e-mails - Edit advertising message with integrated WYSIWG HTML editor (NEW) - Upload your images into the integrated media database (NEW) - CMM server integrates images automatically in outgoing e-mails (NEW) - User administration (Admin / User) - Logging - Statistics over delivered /modified e-mails - SMTP configuration - CMM server configuration

CommuniCrypt Mail   
http://www.communicrypt.com

Standalone eMail client with built-in strongest asymmetric Public-Key-Encryption with RSA encryption algorithm (RSAES-OAEP).Key length for encrypting up to 7120 bit. This eMail client is fully featured for receiving/sending mails via POP3/SMTP. With the integrated SMTP engine you do not need a SMTP server absolutely, program try to send the mail directly to recipient's mail server(if supported)! Other features: mail forwarding, mail repying, a little addressbook, encryption optional, attachments(encrypted with RSA or AES Rijndael), key compatibility with other CommuniCrypt products, minimizeable to tray, online update and much more! No external plugins or components needed, no extra costs for your security. This is an all-in-one solution to protect your Email privacy with the strongest encryption available! Just a view clicks and you can send and receive strong encrypted eMails in seconds! Encryption/Decryption is optional to enable/disable so can use this great eMail client day by day - not only for your encrypted mails! CommuniCrypt Mail now collects all your e-mails from up to 6 POP3 accounts! With the integrated file encryption/decryption tool you can encrypt or decrypt your mail attachments or all other files you like with strongest RSA Public Key encryption (key length from 338 bit up to 7120 bit) or with the symmetric AES Rijndael encryption (256 bit). E-mail- and file security through strongest encryption - this is an all-in-one package for your privacy protection! See website www.communicrypt.com for full feature list.

WinLock   
http://www.crystaloffice.com

WinLock is a comprehensive security solution for personal or publicly accessible computers. It is a program that ensures that only authorized people can access sensitive information on your computer. With WinLock you can control how long others can use your computer. It runs from the system tray and requires a password to gain access to the available settings. It loads automatically with Windows and allows you to add an optional startup message, provide audio notification, and set the time limit. Once that limit is reached, Windows is summarily shut down. You can toggle the timer on and off from the tray. When enabled, there is no way around it without the proper password. WinLock also lets you to disable Windows hot keys (such as Alt-Ctrl-Del, Alt-Tab, Ctrl-Esc, etc.), lock Windows desktop, hide the Start button and Switch bar, lock files and folders, filter Internet content and much more...

WinLock Professional   
http://www.crystaloffice.com

WinLock is a comprehensive security solution for personal or publicly accessible computers. It is a program that ensures that only authorized people can access sensitive information on your computer. With WinLock you can control how long others can use your computer. It runs from the system tray and requires a password to gain access to the available settings. It loads automatically with Windows and allows you to add an optional startup message, provide audio notification, and set the time limit. Once that limit is reached, Windows is summarily shut down. You can toggle the timer on and off from the tray. When enabled, there is no way around it without the proper password. WinLock also lets you to disable Windows hot keys (such as Alt-Ctrl-Del, Alt-Tab, Ctrl-Esc, etc.), lock Windows desktop, hide the Start button and Switch bar, lock files and folders, filter Internet content and much more...

Public Key File and Email Encryption freeware   
http://www.deltacrypt.com

DeltaCrypt OneClick Personal does it all: This Public Key Encryption Software encrypts files, text and emails with 1024-bit RSA protection, digital signatures, and unalterable public keys. It offers the basic encryption functionalities FREE OF CHARGE. Select files and folders or a combination of both and let DeltaCrypt OneClick Personal secure your sensitive data. For personal use only. DeltaCrypt applications provide sophisticated features and a user-friendly interface to keep encryption simple and easy. No special skills are required. Any format of file can be encrypted, no matter what the file extension. There is almost no limit to the volume of files that can be encrypted. One of the features of DeltaCrypt OneClick Personal is its ease of use with any email or text messaging software. From the icon in the System Tray, you can quickly encrypt or decrypt your email text …and then get back to what you were doing. Moreover,DeltaCrypt wipes out original source files, when requested at encryption, by replacing the original data with binary ‘00’. Deleted files are not transferred to the Windows’ recycle bin. When decrypting, DeltaCrypt reconstructs files identical to the original ones: same name, same time and same size. This flexible encryption program is constructed so as to permit the addition of additional plug-ins so as to meet any special requirements