Windows software for mass proxy server lists checking against various parameters. Very stable, can be installed on the server and works for months. It checks the proxies for the desired parameter and saves it to FTP or a local disk. Buy proxies for SLP you can here.
Socks List Processor (aka SLP)- automatic socks downloading/merging/checking/uploading software! Which enables to increase mailing speed in many times! Exclusive solution for professional bulkers!