This is a Professional e-mail address verification tool.Rapid and accurate test-mail address is real and effective. Key Features: Up to 5,000 threads set free(Depend on your machine).Can verify about 150000 email per hours. Only verify email is valid(Real exist) is invalid and nothing is send to the email recipitent. Verify accuracy can be established Verification-mail filtering. Fast Import or export speed£®Support TXT, EXCEL, FOXPFO, DB, XML Etc. Seamlessly Integration¡¡withEmail Spider(Crawler),Email Sender.