Email Verifier

Run these commands to get started with the product.

Code

# Verify a single email
python src/email_verifier.py user@example.com

# Verify a list from a file
python src/email_verifier.py --file examples/sample_emails.txt

# Output results to JSON file
python src/email_verifier.py --file examples/sample_emails.txt --output results.json

# Skip SMTP checks (faster, syntax + MX only)
python src/email_verifier.py --file examples/sample_emails.txt --no-smtp

# CSV output format
python src/email_verifier.py --file examples/sample_emails.txt --format csv --output results.csv

Example from the product documentation.

Code

{
  "email": "user@example.com",
  "status": "valid",
  "syntax_valid": true,
  "mx_found": true,
  "smtp_connectable": true,
  "mailbox_exists": true,
  "is_disposable": false,
  "is_role_address": false,
  "mx_records": ["example.com"],
  "smtp_response": "250 OK",
  "error": "",
  "checked_at": "2026-03-14T12:00:00+00:00"
}

Syntax validation — RFC 5322-compliant regex with clear error messages

MX record lookup — DNS-based domain verification using stdlib only

SMTP handshake — Mailbox existence check without sending an email

Disposable domain detection — Flags known throwaway email services

Role address detection — Identifies non-personal addresses (admin@, support@, etc.)

Batch processing — Verify entire lists from text files or CSVs

Interactive Preview

Configure Email Verifier parameters to see how the product works.

Syntax Mailbox Disposable

Quick Start:

# Verify a single email
python src/email_verifier.py user@example.com

# Verify a list from a file
python src/email_verifier.py --file examples/sample_emails.txt

# Output results to JSON file
python src/email_verifier.py --file examples/sample_emails.txt --output results.json

# Skip SMTP checks (f

Key Features:

Syntax validation — RFC 5322-compliant regex with clear error messages
MX record lookup — DNS-based domain verification using stdlib only
SMTP handshake — Mailbox existence check without sending an email
Disposable domain detection — Flags known throwaway email services
Role address detection — Identifies non-personal addresses (admin@, support@, etc.)

Get the Full Email Verifier

This demo shows a preview. The full version includes complete source code, documentation, and lifetime updates.

Buy Full Version — $34.00

Interactive demo — some features are simulated. Purchase the full version for complete functionality. View product preview page

✉️ Email Operations — Email Verifier Demo

Interactive Preview

Get the Full Email Verifier