1)   1 Click Encrypt File Folder Encryption 1.4.1
1 Click Encrypt is the encryption utility that brings military strength encryption power at your fingertips, assuring that your files are secured and protected from intruders and spies. It can encrypt or securely hide any type of file.
encryption, encrypt email, file encryption, email security, file security, protection, protect documents, cypher key, data security, encryption software,

 2)   GFI MailDefense Suite 1
Comprehensive anti-virus, anti-spam & anti-phishing protection for SMBs that makes use of multiple technologies, such as Bayesian filtering to remove spam and up to five anti-virus engines to clean all inbound email.
email security, security protection, exchange security, lotus security, smtp security, email antivirus, anti-virus, anti spam,

 3)   SecurityGateway for Exchange / SMTP 2.0.4
SecurityGateway email spam firewall for Exchange/SMTP Servers protects against viruses, phishing, spoofing, and other malware. Analyze, manage, and report on email traffic patterns. Simple Administration, Powerful Filtering, Accurate Results!
email spam firewall, spam firewall, spam filter, spam blocker, email security, mail firewall, Exchange firewall, SMTP firewall, anti-phishing, anti-spam,