CliMail 

CliMail is a set of command line utilities designed to send and receive email. Send plain-text or HTML (with embedded pictures) email with attachments using to, bcc, and cc recipients. List, display or delete email from POP3(S) or IMAP(S) mailboxes
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SecExMail Gate 

SecExMail Gate is an email proxy server which encrypts and decrypts messages on your corporate network in real-time. This proxy server integrates with your existing corporate infrastructure and operates in conjunction with your SMTP/POP3 mail server.
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CryptArchiver 

A powerful shareware encryption utility that allows you to create a virtual encrypted drive on your PC. Has an intuitive and easy-to-use interface. Hide & encrypt your important files and folders using strong 448 bit encryption!
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E-Rkive 

Archive e-mail with E-Rkive. The program interfaces with Microsoft Outlook, allowing you to archive, restore, search, filter and compress e-mail.
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SecExMail Home 

SecExMail makes e-mail encryption as easy as sending a message. There are no plugins necessary and it will work with any standard email client including Microsoft Outlook, Outlook Express, Calypso, Eudora and many more. Includes html email filters.
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VisNetic MailServer 

VisNetic Mail Server is a high performance mail server with an extensive, highly configurable feature set. This secure mail server is also ideal for use as a gateway mail server, features built-in anti spam, Web mail and an instant messaging server.
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