This task can be performed using Truelist
Unlimited email validation
Best product for this task

Truelist
marketing
Truelist offers unlimited validation for sales and marketing lists. Instead of charging for credits per email, it's one flat subscription. Built for sales, marketing, and developer use, Truelist includes one-click integrations for easy list imports and allows single email validations free of charge, making list validation fast and affordable.
SalesMarketingProductivityDeveloper toolEmailEmail ValidationEmail VerificationSales ProspectingEmail DeliverabilityEmail List Hygiene

What to expect from an ideal product
- Pays a simple monthly fee instead of buying validation credits for each email
- Validates all your email lists without any limits on volume
- Connects quickly with sales tools to grab and check your lists in one click
- Lets you check single emails for free, perfect for testing
- Works for sales teams, marketers, and developers without extra costs or complexity