Enormail email verification with BillionVerify
Enormail is an email marketing service focused on helping businesses send newsletters and automated campaigns to their audiences. Adding BillionVerify to your Enormail workflow ensures your subscriber list stays free of invalid and risky addresses, protecting deliverability and open rates.
Why verify before the send
Sending to unverified lists in Enormail risks bounces, spam complaints, and potential account suspension. Disposable signups skew engagement metrics and waste campaign budget. BillionVerify filters out invalid, disposable, and role-based addresses before they affect your sending, so your numbers reflect real audience engagement.
Ready-to-use n8n workflow
Import this workflow into n8n — it verifies every address with BillionVerify before Enormail sends, so only deliverable contacts are emailed. Install the BillionVerify community node first, then add your API key.
{
"name": "Verify emails before sending in Enormail + BillionVerify",
"nodes": [
{
"parameters": {},
"type": "n8n-nodes-base.manualTrigger",
"typeVersion": 1,
"position": [
240,
300
],
"name": "When clicking ‘Test workflow’"
},
{
"parameters": {
"assignments": {
"assignments": [
{
"id": "email-field",
"name": "email",
"value": "jane@example.com",
"type": "string"
}
]
},
"options": {}
},
"type": "n8n-nodes-base.set",
"typeVersion": 3.4,
"position": [
460,
300
],
"name": "Get contacts"
},
{
"parameters": {
"sendTo": "={{ $json.email }}",
"subject": "Message for Enormail contacts",
"message": "Replace this Gmail send with your Enormail node — only deliverable, verified contacts reach it.",
"options": {}
},
"type": "n8n-nodes-base.gmail",
"typeVersion": 2.1,
"position": [
900,
300
],
"name": "Send email",
"webhookId": "",
"credentials": {
"gmailOAuth2": {
"id": "",
"name": "Gmail account"
}
}
},
{
"parameters": {
"operation": "verify",
"email": "={{ $json.email }}",
"additionalOptions": {}
},
"type": "n8n-nodes-billionverify.billionVerify",
"typeVersion": 1,
"position": [
540,
300
],
"name": "Verify Email (BillionVerify)",
"credentials": {
"billionVerifyApi": {
"id": "",
"name": "BillionVerify account"
}
}
},
{
"parameters": {
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "loose"
},
"combinator": "and",
"conditions": [
{
"id": "is-deliverable",
"leftValue": "={{ $json.is_deliverable }}",
"rightValue": "",
"operator": {
"type": "boolean",
"operation": "true",
"singleValue": true
}
}
]
}
},
"type": "n8n-nodes-base.if",
"typeVersion": 2,
"position": [
720,
300
],
"name": "IF deliverable"
}
],
"connections": {
"When clicking ‘Test workflow’": {
"main": [
[
{
"node": "Get contacts",
"type": "main",
"index": 0
}
]
]
},
"Get contacts": {
"main": [
[
{
"node": "Verify Email (BillionVerify)",
"type": "main",
"index": 0
}
]
]
},
"Verify Email (BillionVerify)": {
"main": [
[
{
"node": "IF deliverable",
"type": "main",
"index": 0
}
]
]
},
"IF deliverable": {
"main": [
[
{
"node": "Send email",
"type": "main",
"index": 0
}
],
[]
]
}
},
"settings": {
"executionOrder": "v1"
}
}Workflow templates with Enormail
Ready-to-use workflows that verify emails before Enormail sends.
How it works
- 1
Link Enormail and BillionVerify using the BillionVerify n8n community node or via Integrately for a no-code setup.
- 2
Set a trigger for new subscriber additions or run a scheduled batch verification against your full list.
- 3
BillionVerify evaluates each email address across multiple signals: SMTP response, disposable domain databases, role-address patterns, and catch-all detection.
- 4
Results feed back into your workflow to tag subscribers with their verification status.
- 5
Suppress or remove unverified contacts in Enormail so future campaigns only target addresses that are genuinely deliverable.
When to use this
Block invalid sign-ups before they reach your list
Integrate BillionVerify into the Enormail subscriber intake flow to reject mistyped, disposable, or non-existent addresses at the moment someone signs up, keeping your list clean from the start.
Bulk-clean existing subscribers
Export your Enormail subscriber base and run it through BillionVerify to identify addresses that are no longer deliverable, then suppress or remove them before your next major send.
FAQ
What types of risky addresses does BillionVerify detect?
BillionVerify identifies invalid addresses, disposable or temporary email domains, role-based accounts like info@ and support@, and catch-all domains where delivery cannot be confirmed.
Does verification affect my Enormail campaign send speed?
Bulk pre-send verification runs independently of Enormail's sending process, so there is no impact on send speed. Real-time sign-up checks add only a brief delay that users typically do not notice.
Can I automate this without writing code?
Yes. Integrately offers a 1-click integration between Enormail and BillionVerify. Alternatively, the BillionVerify n8n community node supports visual, low-code workflow building.
How does removing invalid emails improve my campaigns?
Fewer invalid recipients means lower bounce rates, better sender reputation scores, higher open and click rates, and reduced risk of your Enormail account being flagged for poor list hygiene.
Verify emails in Enormail
Create a free account, grab your API key, and stop bounces before they happen.
Get started free