I suggest you to create and maintain a separate email address just for surveys. Most of the survey companies pay through PayPal, so get prepared with one.
List of Legitimate Survey Websites:
Survey Head:Take Online Surveys, make Real Money. Sign up for free at Surveyhead.com and get paid for each survey you complete. Get a $5.00 bonus just for signing up and verifying your email address. It’s really that simple.
Get to Know: 5 Ways to Make Money With SurveySavvy!
Toluna The site that lets you voice your opinion and learn what other people think!You can create your own video polls or opinion topic and explore popular, recent and sponsored surveys.Take part in quick surveys and get toluna points for redemption.To redeem these points select prize draws,vouchers, and discount vouchers. But Vouchers and prize draw tickets are currently available to UK residents only.
Participate in these survey websites and get paid for your opinion. I’d love to hear your review & feedback for the above sites. Your experiences will be a great asset to the netizens trying to make an extra income from surveys.