Firetrust Encrypt 1.1
Send secure, encrypted files via e-mail to anyone, anywhere, and anytime. Encrypt by Firetrust is a powerful encryption software that allows consumers and businesses to protect sensitive information, such as financial, medical, or other personal information, when sending e-mail or sharing files.

Easy SMTP Server 2.9
Send e-mail messages easily and securely from your portable PC while you are traveling around the world! Using this program instead of your ISP's SMTP server you will increase your e-mail security and privacy as well as get rid of annoying change of settings for your e-mail program. Easy SMTP Server is easy to configure!

Puffer 4.03
Puffer is a general purpose 256-bit AES encryption utility for protecting your most sensitive data. Use Puffer to securely exchange email with other Puffer users via the 2048-bit Diffie-Hellman key exchange function. Compress and encrypt your data files into zip-style PUF archives. Use steganography to hide data among the pixels of image files. Distribute self-decrypting archives to non-Puffer users. Permanently erase data with wipe functions.

SecExMail Home 1.51
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. Now includes automatic key exchange and powerful html filtering to protect from malicious email. Personal Edition, including support can be purchased for $4.95 using PayPal or Credit Card. Commercial and Linux versions available.

Super Email Verifier 1.75
Super Email Verifier is a program that verifies the validity of e-mail addresses in mailing lists. The program works on the same algorithm as ISP mail systems do. There is no need to disturb your clients and friends anymore just to verify their addresses. It connects directly to their SMTP server to check the address you. It does not come to the message sending. It disconnects as soon as mail server informs does this address exist

P-EncryptMail for Outlook 2.1.0.0
P-EncryptMail for Outlook is an add-in for Microsoft Outlook 2000 and up. It allows you to keep your messages and attachments private by using the most secure encryption algorithms. To use, just select the messages and click the Encrypt/Decrypt button, then enter a password. You can also send encrypted e-mail, the end user should know the password, and have a program capable of decrypt P-EncryptMail messages, such as the free P-EncryptMail reader

Personal Mail Server Pro 3.03
SMTP/POP3 mail server program to use as a personal local SMTP server or as a stand-alone fully featured mail server. You can use the product along with any mail clients that are complaint with the standard SMTP/POP3 protocols. It offers a range of security features and options that allow you to protect the server from DDoS attacks, stop SPAM and spammers. It works in the logoff mode; SMTP gateways and parameterized mailing lists are supported.

encrypted::Mail 2.0
encrypted::Mail allows users to send encrypted emails to anyone with ease, regardless of the users or recipients existing mail client. encrypted::Mail uses symmetric encryption and allows senders to add a pass phrase for additional security.

ZappoScreech 5.2.72
Tired of having your e-mail attachments blocked by mindless and intrusive mail-server snoopware? Then download ZappoScreech and take back the freedom to send and receive any type of e-mail attachment. ZappoScreech is a small application that will convert any kind of file to a legitimate bitmap for attachment to an e-mail. Upon receipt of the attached bitmap, ZappoScreech will recover the original file.

Fencry 2.0
Use Fencry to encrypt text to and from applications by using simple cut and paste. Example of use is encrypting mail and text documents. It uses 256 bits encryption.