Keep Your Email List Clean. Send Smarter, Not Harder.
Deliverability starts with accuracy — and that’s exactly what our Email Validity Checker ensures.
This powerful feature automatically verifies every email address added to your contact list, helping you protect your sender reputation, boost open rates, and eliminate wasted sends.
How It Works
Our validation system runs through a three-step verification process before accepting any address into your contact list:
1. Syntax & Character Check
First, we analyze the structure of each email address to ensure there are no invalid or unauthorized characters. Any entry that doesn’t meet standard email formatting rules is immediately marked as Invalid and excluded from your campaigns.
2. Domain Verification
Next, we confirm the domain behind the email address. If the domain is inactive, expired, or doesn’t exist, the address is flagged as Invalid and automatically filtered out.
3. Server-Level Validation
Finally, our system tests whether the receiving mail server actually exists and can accept messages. If a send attempt returns a “nonexistent or untrusted” response, the address is reclassified as Invalid to prevent future delivery errors.
Smart Filtering for Reliable Sending
Email addresses that fail all three validation steps are automatically excluded from your active send lists. This means no more wasted sends, no more bounces, and no risk of your SMTP client being flagged as spam.
Why It Matters
- Protect your sender reputation
- Improve deliverability and open rates
- Avoid spam flags and account suspension
- Save resources by targeting only valid contacts
Keep your campaigns efficient, accurate, and trusted — with Gersuz Email Validity Checker.
