⚙️ Configuring Email Validation Integrations
Email validation is an essential step in ensuring your campaigns reach the right audience. With Eversend, you can seamlessly validate your contact lists using ZeroBounce, a trusted email validation service. In this guide, we’ll walk you through the process of setting up and using email validation in Eversend.
Why Validate Emails?
Sending campaigns to invalid or inactive emails can hurt your sender reputation, reduce deliverability rates, and waste resources. Email validation helps you:
- Avoid hard bounces.
- Protect your sender reputation.
- Maximize deliverability and engagement.
- Save resources by targeting active and valid contacts.
Setting Up Email Validation in Eversend
Eversend integrates with ZeroBounce via API. You’ll need an active ZeroBounce account to enable this feature.
Step 1: Get Your ZeroBounce API Key
- Log in to your ZeroBounce account.
- Follow their API key management instructions to generate your API key.
- Copy the API key for the next step.
Step 2: Enable ZeroBounce in Eversend
- Open your Eversend workspace settings.
- Navigate to Settings & Members > Email Validation.
- Paste your ZeroBounce API key into the designated field and click Save.
Once enabled, Eversend will be ready to validate your contacts directly.

How to Validate Emails in Eversend
Option 1: From the Contacts Page
- Go to the Contacts section in your workspace.
- Select the contacts you want to validate.
- Click Verify contacts.

Option 2: While Sending Campaigns
- In the campaign setup process, look for the email validation toggle.
- Enable the option to validate emails before sending the campaign.
Eversend will automatically process your contact list through ZeroBounce, flagging invalid addresses.

Validation Results Explained
Once your contacts are validated, they will be assigned a status:
- Verified: The email address is valid and ready for campaigns.
- Unverified: The email address is invalid or cannot be confirmed as active.
Use this information to clean your list and ensure you're only reaching verified contacts.
Best Practices for Email Validation
- Validate regularly: Make it a habit to validate your list periodically, especially before large campaigns.
- Monitor bounces: Keep an eye on your bounce rates and revalidate older contacts if necessary.
- Optimize your list: Remove or update unverified contacts to maintain a healthy sender reputation.
With ZeroBounce and Eversend, email validation is simple and efficient, giving you the confidence to send campaigns to clean, high-quality lists. Start validating your emails today to supercharge your email marketing efforts!