Email Validation Tool

Email Validation

High-speed, cost-effective pre-filtering tool designed to verify email address deliverability and status before routing lists through expensive premium verification platforms.

From tools like Debounce, Zerobounce, Icypeas, Leadmagic, Lemlist, Neverbounce, MillionVerifier, Bounceban and others.

By executing syntax, domain MX record, and SMTP mailbox availability checks, this tool categorizes emails into valid, invalid, or catch-all statuses to help optimize email marketing campaigns and maintain high sender reputation.

FEATURES

Syntax & Format Validation: Instantly checks if an email string adheres to standard RFC formatting rules (valid_syntax).

MX & Domain Health Checks: Verifies that the destination domain (domain) has active Mail Exchange (MX) records configured to receive emails.

Catch-All Domain Detection: Identifies whether a target domain is configured as a catch-all server (catch_all), accepting emails sent to non-existent addresses.

Mailbox Status Diagnostics: Detects specific mailbox flags, including whether an inbox is full (inbox_full), disabled (disabled), or currently deliverable (deliverable).

Cost-Optimization Pre-filtering: Filters out obvious bounces and invalid formats before uploading lead lists to paid verification services like DeBounce, ZeroBounce, NeverBounce, or BounceBan.

USE CASES

Lead List Cleansing: Pre-screen large cold outreach databases to discard invalid formatting and domain errors before running final verification passes.

Form Registration Protection: Connect to signup workflows to block invalid or misformatted email submissions in real time.

Sender Reputation Safeguard: Reduce hard bounce rates on cold email platforms (e.g., Lemlist, Instantly) by filtering out dead or disabled email addresses ahead of campaigns.

Sales Intelligence Pre-Verification: Quickly segment contacts into definitive deliverable leads versus catch-all addresses to adjust sending strategies accordingly.

OUTPUT

{
  "email": "dev@saswave.com",
  "status": "catch-all",
  "username": "dev",
  "domain": "saswave.com",
  "valid_syntax": true,
  "deliverable": true,
  "catch_all": true,
  "disabled": false,
  "inbox_full": false
}

🛟 SUPPORT

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