Check SOCKS4/SOCKS5/HTTP/HTTPS proxies with and without authentication.
Format of proxies with authentication: proxy_user:proxy_pass@proxy_host:proxy_port.
Format of proxies without authentication: proxy_host:proxy_port.
Check for connect to the specified host:port.
Check for URL (using HTTP GET or POST requests).
Load and combine proxies without checking.
Multithreaded.
Handle redirects.
Download proxy lists from the web.
Customizable User Agent.
Customizable HTTP Headers (Accept, Accept-Encoding).
Built-in proxy distribution web server.
Proxy country detection.
RBL (DNSBL) check.
Multi-process Architecture.
Check for connect to specifed mail server and perform SMTP commands.
Check for SMTP delivery.
Check for anonymity - detect anonymous and high anonymous (elite) proxies.
Resolve IPs of reverse proxies.
Upload good proxies to FTP.
Extract proxies from web pages.
Scan IP ranges.

System Requirements
IBM or compatible Pentium/AMD processor (900 MHz or greater), 512 MB RAM or greater. 1024 x 768, 16-bit display (32-bit recommended)
Windows 2000 SP (Service Pack) 4+
Windows XP SP2+ x32 and x64 Editions
Windows Vista all SP x32 and x64 Editions
Windows 7 x32 and x64 Editions
Language English