HubSpot Email Verification: Clean Your CRM Contacts | Mailthentic
Mailthentic
HubSpot Integration

HubSpot Email Verification

Verify HubSpot contacts before your next campaign. Connect your HubSpot account, verify every email address, and push clean results back, all automatically.

HubSpot is a leading CRM and marketing automation platform used by over 200,000 businesses worldwide. Mailthentic integrates directly with HubSpot to help you verify and clean your contact database without CSV exports or manual work.

How It Works

Four steps to a clean HubSpot database.

1

Connect HubSpot

Securely link your account with one click. No API keys to manage.

2

Import contacts

Pull contacts or lists from HubSpot. Duplicates are removed automatically.

3

Verify every email

Each address runs through the 9-point engine including SMTP mailbox confirmation, catch-all and disposable detection.

4

Push results back

Clean results sync back to HubSpot. Invalid contacts are tagged so you can exclude them from campaigns.

Why Verify Your HubSpot Contacts

Reduce campaign bounces

Verify every contact in your HubSpot lists before sending email campaigns. Remove invalid addresses automatically.

Protect sender reputation

High bounce rates from HubSpot campaigns damage your domain reputation. Clean lists prevent this.

Improve engagement metrics

Sending only to valid addresses increases open rates, click rates and overall campaign ROI.

Automated workflows

Set up recurring verification to keep your HubSpot database clean as new contacts flow in.

Frequently asked questions

How does Mailthentic connect to HubSpot?
Mailthentic connects to HubSpot securely, imports your contacts, verifies every address with the 9-point engine, and writes clean results back. You never share your HubSpot password.
Does verification send emails to my contacts?
No. Verification uses DNS lookups and SMTP handshakes to confirm a mailbox exists without delivering any message, so your contacts are never emailed.
How much does it cost?
The integration is free. You pay only for verification credits used, one credit per unique address. Every new account starts with 100 free credits, no credit card required.

Clean your HubSpot contacts today

Start with 1,000 free verification credits. No credit card required.