The Email Validation module is designed to check existing email addresses and determine whether they are valid, invalid, or belong to catch-all domains.
Unlike the Email Finder, this tool does not generate an email – it only validates the one you already have.

How Generect Validates Emails

Generect performs a multi-layered validation process to ensure maximum accuracy for every email address. Validation process: Validation Process

Syntax Check

Verifies whether the email is written correctly (presence of ”@”, domain format, allowed characters, etc.).

SMTP Verification (core step)

Generect sends a request to the email server to determine:
  • whether the mailbox exists
  • whether the server accepts mail
  • whether the domain is configured as catch-all
The server returns a confirmation or rejection response.

Catch-All Detection

If a domain accepts all emails – even for non-existing addresses – Generect marks it as Catch-All.

Additional Signals

The system also analyzes:
  • historical deliverability data
  • previous validation results
  • domain behavior patterns
This helps improve accuracy when servers use strict anti-spam or anti-bot protection.

Possible validation statuses

  • Valid – the address exists; the server confirmed mail acceptance.
  • Invalid – the mailbox does not exist or the server rejected it.
  • SMTP – the server does not provide a clear response (common on protected domains).
  • Catch-all – the domain accepts any email, real or not; true deliverability is uncertain.
  • Unknown – the server did not respond or provided an ambiguous response.

What the user receives

  • A clear validation status (Valid / Invalid / Catch-All / SMTP / Unknown)
  • Technical verification details
  • Automatic logging in Validation History
  • Ability to export, filter, and clean lists based on validation results

How to Validate a Single Email (Email Validator)

The Email Validator section allows you to manually check one email at a time. How it works:
  1. Go to Email Validator.
  2. Enter an email address into the form.
  3. Click Validate email.
  4. The system performs an SMTP check and displays the result.
Results appear in a table showing:
  • Email
  • Status (Valid / Invalid / Catch-all / SMTP / Unknown)
  • Validation date
All validated emails are saved in your Validation History.

Bulk Email Validation

This module is used when you already have a list of email addresses and want to validate them all at once. How to run Bulk Validation:
  1. Go to Bulks → Bulk email validation.
  2. Upload a CSV or XLSX file containing:
    • Email
  3. Click Upload file.
  4. The system processes each email individually.
  5. Results appear in the table and are available for export.
What Generect returns For each email:
  • Status: Valid / Invalid / Catch-all / Unknown / SMTP
  • Validation source
  • Date of validation
Summary statistics:
  • % of valid emails
  • count of catch-all addresses
  • count of invalid addresses
  • number of unknown / SMTP results
You can download the cleaned list using the Export button.

Catch-All Email Validation

Learn about advanced validation for catch-all domains