Automated email optin form with n8n and Hunter io for verification
Ready for 3.0Ready for 3.0. This template uses no nodes that n8n 3.0 removes. No removed nodes, versions or helpers found. Static check, last run 2026-10-19.
What this workflow does
This workflow has 5 nodes and runs when someone submits an n8n form (“Join my mailing list now”). Along the way it connects Hunter and SendGrid.
How it runs
Trigger: When someone submits an n8n form (“Join my mailing list now”).
- Verify email (Hunter): email verifier
- Check if the email is valid (If): checks a condition and branches into true / false
- Add contact to list (SendGrid): work with contact
Services it uses
Before you upgrade to n8n 3.0
Nothing in this workflow is removed in n8n 3.0, so it should import and run after the upgrade.
Nodes used (5)
- No Operation, do nothing
n8n-nodes-base.noOp - If
n8n-nodes-base.if - Hunter
n8n-nodes-base.hunter - n8n Form Trigger
n8n-nodes-base.formTrigger - SendGrid
n8n-nodes-base.sendGrid
From the author
Case Study 📧 Want to collect email subscribers without paying expensive monthly fees? 💰 This workflow creates a free email collection system with built-in email verification to ensure you only collect legitimate email addresses! ✨ Learn more: 📺 Watch the…