Question: Are there any GDPR-compliant email verification tools that can integrate with my existing email marketing software?

Emailable is a good option. It offers bulk email list verification, a real-time email validation widget and a check email deliverability feature, all with a 99% accuracy guarantee. Emailable integrates with more than 50 widely used email marketing tools, so it's pretty flexible. And it offers 250 free credits to get you started and guarantees to keep your list healthy with accurate email validation.

Snov.io is another powerful option. This sales engagement service automates sales workflows and includes features like an email finder, multichannel campaigns, email verifier and sales CRM. It's GDPR compliant and integrates with more than 5,000 tools, so it should work for companies large or small that want to improve lead validation and email deliverability.

AtData has an email address intelligence platform with email validation, data enrichment, identity matching and fraud protection abilities. It uses machine learning to capture data more accurately, which helps with deliverability and fraud prevention, and it integrates with a variety of other services to help with your email marketing.