The possible reason that this might be going to spam is because your emails are coming from Working Feedback's mail servers rather than your own. You will reap rewards with better opening rates as your email address is already known and trusted by your customers.
Head over to your Dashboard
Click on 'Collect' from the top menu
Select 'Send a one-off feedback request'
Pick the advanced tab from options, and follow instructions
Can't find what you are looking for?
If you can't find an answer to your query in our Support Centre then send us a ticket and a member of our team will be in touch.