
NeverBounce uses a proprietary 20+ step cleaning process to verify emails up to 75 times across multiple global servers for unmatched accuracy. The platform offers bulk email verification, real-time API, and Sync for automated list cleaning connected to HubSpot, Mailchimp, and ActiveCampaign. Features include syntax checking, domain verification, SMTP verification, toxic email detection, and integration with 80+ platforms. Founded in 2013 and backed by ZoomInfo.
Email Verifier & Email List Cleaner
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Easy, powerful email follow-up for Gmail
Boomerang for Gmail is a browser extension that enables scheduled email sending, automatic follow-ups, and email tracking for Gmail and Outlook.
Fully managed cold email infrastructure and deliverability services
Hypergen builds and manages cold email infrastructure including SPF, DKIM, DMARC, warmups, and domain protection. The company provides fully managed infrastructure so cold email campaigns reach intended recipients.
Simple, cost-effective, flexible email service
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Amazon Simple Email Service (SES) is a pay-as-you-go email sending service that provides low-cost, scalable email infrastructure for developers and businesses.