If you need a service to check email addresses and keep your sender reputation intact, Emailable is a good choice. It's got bulk email list verification, an email verification API and an email validation widget that can be embedded in a website. Emailable says it's 99% accurate and integrates with more than 50 email marketing services, which should help you get more emails delivered and fewer bounces. It's GDPR compliant, and you can try it with 250 free credits.
Another good option is Hunter, an all-purpose email outreach tool that includes email verification to keep you from getting bounces and to protect your sender reputation. Hunter uses AI to find the best leads and to craft personalized cold emails that are designed to pass muster for data sourcing rules. It integrates with Google Sheets and CRM software, and you can try it with a free plan with 25 searches per month, so it's a good choice for small teams.
If you want a more powerful service, AtData offers email validation, data enrichment and fraud protection to help you get the best results from your customers and prospects. It uses machine learning models to capture data and integrates with other services to handle security and compliance requirements, so it's a good choice for companies trying to get more out of their email marketing.
Last, IPQS offers AI-based fraud detection and email verification to protect your sender reputation and stop fraud. It checks more than 300 data points for real-time assessments and can be used with services like Hubspot and Salesforce. IPQS offers scoring and risk assessment, which can be useful for companies of all sizes trying to keep their email marketing from being a problem.