Introducing you to a well-established email verification company from Poland - Bouncer, which has an accuracy of 87%. They are accurate in identifying the emails like Gmail, catchall, role-based, and invalid.
They offer bulk email verification and API email verification services. The G2crowd awarded Bouncer the best leader in email verification service, which is undoubtedly a significant achievement.
Great companies like SimilarWeb and Phenom both trust and even worked together with Bouncer.
You don't need to worry about security as they are GDPR compliant and bind with privacy policies to ensure users' data.
If you are a beginner in email marketing, you can check their ROI calculator to get an overall idea about the campaign's cost (they please in the pricing department).
Their pricing of 50K emails of Bouncer is $100 while NeverBounce and BlazeVerify charge $250 and $200. Yes, those were huge margins!
Overall, Bouncer is a beginner-friendly and reliable email verification service with satisfactory results, and yes, a recommendable one.