Best Free Computer Security Software

A more secure way to browse the web. TunnelBear encrypts your internet connection to keep your online activity private on any network. Just open the TunnelBear app, select a country, and flip the switch. Once you're connected, TunnelBear will work quietly in the background to keep your data secure. Hackers can steal passwords and data over insecure public WiFi. TunnelBear blocks them to keep you secure. Network owners and internet providers can see everything you do online. With TunnelBear on, they can't see a thing. Some content is only available in certain regions. TunnelBear changes your virtual location so you can see it anywhere. Ad services use your IP address to track your behavior across sites. TunnelBear stops them by assigning you a new IP. Some governments block popular websites and apps. TunnelBear unblocks them by changing your virtual location.

Xeams is, a secure and powerful complete mail server for Windows, Linux, Solaris, MacOSX and other flavors of UNIX. Xeams supports SMTP, POP3, and IMAP. It features a powerful spam filtering engine that eliminates up to 99% of junk email upon installation. The software offers a flexible approach to email, making it a very user-friendly server. Xeams can block 99% percent of all junk messages right out of the box. The filtering rules are fully customizable and get better as Xeams adapts to your email environment. IMAP and POP3 servers built right into the system to easily fetch emails from an email repository to a client's machine. Xeams can be used as an email firewall in front of another server, such as MS Exchange, or as a full email server requiring no other software to process emails. Use Xeams in front of your Office 365 infrastructure to gain additional filtering, reporting and archiving capabilities that you don't get with Office 365 alone.