While all of the data (emails) from that will be coming into your Klaviyo account is extremely valuable, it is still important to make sure that you have a few more things covered in order to get most out of the data.
Think of it like this – you are a Realtor, and you are given a list of 10,000 prospects looking for homes in your city that visited your website, the only way you could monetize that is if you are have proper strategies in place, flows setup and that your communication is optimized for conversions.
Checklist for Klaviyo items:
Ensure domain is connected
Ensure your plan supports a large number of Contacts aka Profiles.
Ensure your email has a good deliverability score.
Try using a tool like Mail Tester
Ensure you Create new flows using Visitor Edge events as Triggers.