Mailcheck

Mailcheck is for sales and marketing teams that need to check contact lists before sending campaigns, as well as developers who want to add email verification to an app or workflow. It checks individual addresses in real time or processes uploaded CSV and TSV lists, helping users identify addresses that may be invalid or risky and reduce bounces in outreach and email marketing. Results include an address’s existence and SMTP status, a trust rate, and checks for disposable addresses and catch-all domains. Users can download processed lists, connect Mailcheck with services such as Mailchimp, Zapier, Make, n8n, and ActiveCampaign, or use its API to integrate validation into their own systems.

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