few suggestions:
•use the darkorbit client useragent ("BigPointClient/1.6.7". newest client version can be pulled from:

)
•make the company choosable.
•maybe autogenerate usernames + passwords. (usernameprefix-01 etc..)
(for email you could even use a real gmail. like

)
•make a settings file where the captcha api key and email address can be stored.