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# QKsoft

Home of the Fastest VPN, SMTP and Speed Test Software

## Sitemaps

- [XML Sitemap](https://www.qksoft.com/sitemap.xml): Contains all public & indexable URLs for this website.

## Posts

- [VPN Performance Factors](https://www.qksoft.com/vpn-performance-factors/)
- [How to Improve Your SMTP Server](https://www.qksoft.com/how-to-improve-your-smtp-server/)

## Pages

- [](https://www.qksoft.com/) - The home of QK SMTP Server, Utility Ping, QK Barcode Generator and other powerful but easy-to-use everyday software solutions for your home and business.
- [About Us](https://www.qksoft.com/about/)
- [](https://www.qksoft.com/encrypt-my-folder/) - Encrypt my Folder is a new folder password protection software which can help you lock your files, folders with your personal password. Prevent people from viewing, editing, altering your folders as easy as 1-2-3.
- [](https://www.qksoft.com/qk-barcode-generator/) - QK Barcode Generator lets you make professional, ready-to-print barcode graphics easily and quickly. The powerful preview function helps you output bar codes to a printer. You can print barcodes on one paper with any normal printer.
- [](https://www.qksoft.com/utility-ping/) - Utility Ping is a handy and powerful ping utility for system administrator or webmaster to check network connection, intended to replace the standard ping program that comes with Microsoft Windows for ever.
- [](https://www.qksoft.com/favorites-management-master/) - Bookmark Master is a professionally designed tool to check dead links in your Favorites Links of Microsoft Internet Explorer, and search keywords directly from their webpages.
- [](https://www.qksoft.com/qk-smtp-server/) - QK SMTP Server is a simple to set up and use yet powerful SMTP server software. It can send directly send emails from the localhost to recipient mailboxes at blazing fast speeds over a VPN connection.
- [Check your VPN - No Results Found](https://www.qksoft.com/no-results-found/)
- [Online Support](https://www.qksoft.com/support/)

## Categories

- [Blog](https://www.qksoft.com/category/blog/)