Verify email addresses with AI-assisted signals, handle double opt-in, and keep your email database cleaner from one simple dashboard.
Overview
MailCheck brings verification, routing, consent status and list management into one workflow.
Use AI-assisted verification signals to help identify whether an email address is likely to exist, while combining technical checks, historical results and confirmation status.
Send a confirmation link when an address needs user verification, then continue your automation after confirmation.
Analyse multiple email signals to help detect likely real addresses, suspicious patterns, and uncertain cases before your workflow continues.
Skip known blocked addresses before spending a verification credit.
Plug MailCheck into n8n or your own backend and work with cleaner statuses such as valid, pending, invalid, blocked, risky, and unknown.
Your app or workflow sends an address to the MailCheck API.
The system checks category, routing rules, cache, blocklist and opt-in policy.
Receive one effective status and let your automation decide what happens next.
Instead of scattering verification logic across your workflow, MailCheck combines email signals into a cleaner effective status for downstream decisions.
Explore the plan →{
"email": "user@example.com",
"verifier": "double_optin",
"status": "unverified",
"optinStatus": "confirmed",
"effectiveStatus": "valid"
}For trying out the workflow.
For growing automations and email lists.
For high-volume workflows.
No. A double opt-in confirmation is only needed when your routing or policy requires it. Previously confirmed addresses can be recognized by the system.
MailCheck can combine verification signals and historical results to help classify whether an address is likely to exist, then expose a simpler status for your workflow.
Yes. The workflow is API-first and can be connected to n8n HTTP and webhook nodes.
Verify, route and manage email status without turning your automation into spaghetti.