Jitesh Dugar 
This workflow corresponds to n8n.io template #9150 — we link there as the canonical source.
This workflow follows the Gmail → Google Sheets recipe pattern — see all workflows that pair these two integrations.
The workflow JSON
Copy or download the full n8n JSON below. Paste it into a new n8n workflow, add your credentials, activate. Full import guide →
{
"id": "0l3nj6SM84lw3lvH",
"meta": {
"templateCredsSetupCompleted": false
},
"name": "Customer Onboarding Email Verification",
"tags": [],
"nodes": [
{
"id": "86910847-a9b7-4a7d-9ed0-259e9fb0b880",
"name": "Webhook",
"type": "n8n-nodes-base.webhook",
"position": [
-80,
0
],
"parameters": {
"path": "/new-signup",
"options": {},
"httpMethod": "POST"
},
"typeVersion": 2.1
},
{
"id": "e834db7e-1dc7-4ee5-8ac4-1be83f1a4041",
"name": "Data Sanitization",
"type": "n8n-nodes-base.code",
"position": [
176,
0
],
"parameters": {
"jsCode": "// Handle different input structures safely\nconst items = $input.all();\n\nreturn items.map(item => {\n // Try different possible data structures\n const data = item.json.body || item.json || {};\n \n // Safe access with fallbacks\n const name = (data.name || '').trim();\n const email = (data.email || '').toLowerCase().trim();\n \n // Validation\n if (!name || !email) {\n throw new Error(`Missing required fields. Received: ${JSON.stringify(data)}`);\n }\n \n return {\n json: {\n name: name,\n email: email,\n original_email: data.email || email,\n received_at: new Date().toISOString()\n }\n };\n});"
},
"typeVersion": 2
},
{
"id": "f0ccbc6e-9c10-47b3-bd2e-fb06a1f3615d",
"name": "Email Validation",
"type": "n8n-nodes-verifiemail.verifiEmail",
"position": [
496,
0
],
"parameters": {
"email": "={{ $json.email }}"
},
"credentials": {
"verifiEmailApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "7fa85889-6906-4637-8bcb-d2ec30370fda",
"name": "Validation Decision",
"type": "n8n-nodes-base.if",
"position": [
800,
0
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "35f8b0f1-c001-46e2-a4f1-f7d5bb7b2b24",
"operator": {
"type": "boolean",
"operation": "true",
"singleValue": true
},
"leftValue": "={{ $json.valid }}",
"rightValue": ""
}
]
}
},
"typeVersion": 2.2
},
{
"id": "1c045477-d1eb-4bc7-a006-fd87321ddbb4",
"name": "Personalize Welcome Email",
"type": "n8n-nodes-base.code",
"position": [
1072,
-96
],
"parameters": {
"mode": "runOnceForEachItem",
"jsCode": "// Get data from previous nodes\nconst name = $('Data Sanitization').item.json.name;\nconst email = $('Data Sanitization').item.json.email;\nconst firstName = name.split(' ')[0];\n\n// Get validation details (optional - for logging)\nconst validationScore = $json.quality_score || 'N/A';\n\nreturn {\n json: {\n name: name,\n firstName: firstName,\n email: email,\n subject: `Welcome to Our Platform, ${firstName}! \ud83c\udf89`,\n emailBody: `\n<!DOCTYPE html>\n<html>\n<head>\n <meta charset=\"UTF-8\">\n <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n</head>\n<body style=\"margin: 0; padding: 0; font-family: Arial, sans-serif; background-color: #f4f4f4;\">\n <table width=\"100%\" cellpadding=\"0\" cellspacing=\"0\" style=\"background-color: #f4f4f4; padding: 20px;\">\n <tr>\n <td align=\"center\">\n <table width=\"600\" cellpadding=\"0\" cellspacing=\"0\" style=\"background-color: #ffffff; border-radius: 8px; overflow: hidden; box-shadow: 0 2px 4px rgba(0,0,0,0.1);\">\n \n <!-- Header -->\n <tr>\n <td style=\"background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); padding: 40px 20px; text-align: center;\">\n <h1 style=\"color: #ffffff; margin: 0; font-size: 28px;\">Welcome, ${firstName}! \ud83c\udf89</h1>\n </td>\n </tr>\n \n <!-- Content -->\n <tr>\n <td style=\"padding: 40px 30px;\">\n <p style=\"font-size: 16px; line-height: 1.6; color: #333333; margin: 0 0 20px 0;\">\n Hi <strong>${firstName}</strong>,\n </p>\n \n <p style=\"font-size: 16px; line-height: 1.6; color: #333333; margin: 0 0 20px 0;\">\n Thank you for joining us! We're thrilled to have you as part of our community.\n </p>\n \n <p style=\"font-size: 16px; line-height: 1.6; color: #333333; margin: 0 0 30px 0;\">\n Here's what you can do next:\n </p>\n \n <!-- Action Buttons -->\n <table width=\"100%\" cellpadding=\"0\" cellspacing=\"0\" style=\"margin-bottom: 30px;\">\n <tr>\n <td style=\"padding: 10px 0;\">\n <a href=\"https://yourapp.com/dashboard\" style=\"display: inline-block; background-color: #667eea; color: #ffffff; text-decoration: none; padding: 14px 30px; border-radius: 5px; font-weight: bold; font-size: 16px;\">\n \ud83d\udcca Access Your Dashboard\n </a>\n </td>\n </tr>\n <tr>\n <td style=\"padding: 10px 0;\">\n <a href=\"https://yourapp.com/getting-started\" style=\"display: inline-block; background-color: #48bb78; color: #ffffff; text-decoration: none; padding: 14px 30px; border-radius: 5px; font-weight: bold; font-size: 16px;\">\n \ud83d\udcda Getting Started Guide\n </a>\n </td>\n </tr>\n <tr>\n <td style=\"padding: 10px 0;\">\n <a href=\"https://yourapp.com/support\" style=\"display: inline-block; background-color: #ed8936; color: #ffffff; text-decoration: none; padding: 14px 30px; border-radius: 5px; font-weight: bold; font-size: 16px;\">\n \ud83d\udcac Contact Support\n </a>\n </td>\n </tr>\n </table>\n \n <p style=\"font-size: 16px; line-height: 1.6; color: #333333; margin: 0 0 10px 0;\">\n Questions? Just reply to this email - we're here to help!\n </p>\n \n <p style=\"font-size: 16px; line-height: 1.6; color: #333333; margin: 0;\">\n Best regards,<br>\n <strong>The Team</strong>\n </p>\n </td>\n </tr>\n \n <!-- Footer -->\n <tr>\n <td style=\"background-color: #f7fafc; padding: 20px 30px; text-align: center; border-top: 1px solid #e2e8f0;\">\n <p style=\"font-size: 12px; color: #718096; margin: 0;\">\n \u00a9 2025 Your Company. All rights reserved.\n </p>\n </td>\n </tr>\n \n </table>\n </td>\n </tr>\n </table>\n</body>\n</html>\n `,\n timestamp: new Date().toISOString(),\n status: 'verified',\n validationScore: validationScore\n }\n};"
},
"typeVersion": 2
},
{
"id": "090efe61-fd58-400b-935b-70291bb3595e",
"name": "Prepare Correction Email",
"type": "n8n-nodes-base.code",
"position": [
1104,
176
],
"parameters": {
"jsCode": "const name = $('Data Sanitization').item.json.name;\nconst email = $('Data Sanitization').item.json.email;\nconst firstName = name.split(' ')[0];\n\n// Get validation reason\nconst validationData = $json;\nconst reason = validationData.deliverability || 'invalid';\n\n// Simple typo detection\nlet suggestion = '';\nconst commonTypos = {\n 'gmial': 'gmail',\n 'gmai': 'gmail',\n 'yahooo': 'yahoo',\n 'yaho': 'yahoo',\n 'hotmial': 'hotmail',\n 'outlok': 'outlook',\n 'outloo': 'outlook'\n};\n\nfor (const [typo, correct] of Object.entries(commonTypos)) {\n if (email.includes(typo)) {\n suggestion = email.replace(typo, correct);\n break;\n }\n}\n\nreturn {\n json: {\n name: name,\n firstName: firstName,\n email: email,\n suggestion: suggestion,\n reason: reason,\n subject: `Please verify your email address`,\n emailBody: `\n<!DOCTYPE html>\n<html>\n<head>\n <meta charset=\"UTF-8\">\n</head>\n<body style=\"margin: 0; padding: 0; font-family: Arial, sans-serif; background-color: #f4f4f4;\">\n <table width=\"100%\" cellpadding=\"0\" cellspacing=\"0\" style=\"background-color: #f4f4f4; padding: 20px;\">\n <tr>\n <td align=\"center\">\n <table width=\"600\" cellpadding=\"0\" cellspacing=\"0\" style=\"background-color: #ffffff; border-radius: 8px; overflow: hidden;\">\n \n <!-- Header -->\n <tr>\n <td style=\"background-color: #f56565; padding: 30px 20px; text-align: center;\">\n <h1 style=\"color: #ffffff; margin: 0; font-size: 24px;\">\u26a0\ufe0f Email Verification Issue</h1>\n </td>\n </tr>\n \n <!-- Content -->\n <tr>\n <td style=\"padding: 40px 30px;\">\n <p style=\"font-size: 16px; line-height: 1.6; color: #333333; margin: 0 0 20px 0;\">\n Hi <strong>${firstName}</strong>,\n </p>\n \n <p style=\"font-size: 16px; line-height: 1.6; color: #333333; margin: 0 0 20px 0;\">\n We attempted to verify your email address but encountered an issue:\n </p>\n \n <div style=\"background-color: #fff5f5; border-left: 4px solid #f56565; padding: 15px; margin: 20px 0;\">\n <p style=\"margin: 0; color: #742a2a; font-family: monospace;\">\n <strong>Email entered:</strong> ${email}\n </p>\n </div>\n \n ${suggestion ? `\n <p style=\"font-size: 16px; line-height: 1.6; color: #333333; margin: 20px 0;\">\n Did you mean: <strong style=\"color: #48bb78;\">${suggestion}</strong>?\n </p>\n ` : ''}\n \n <p style=\"font-size: 16px; line-height: 1.6; color: #333333; margin: 20px 0;\">\n Please double-check your email address and try again:\n </p>\n \n <table width=\"100%\" cellpadding=\"0\" cellspacing=\"0\">\n <tr>\n <td style=\"padding: 20px 0; text-align: center;\">\n <a href=\"https://yourapp.com/signup\" style=\"display: inline-block; background-color: #4299e1; color: #ffffff; text-decoration: none; padding: 14px 40px; border-radius: 5px; font-weight: bold; font-size: 16px;\">\n Try Again\n </a>\n </td>\n </tr>\n </table>\n \n <p style=\"font-size: 16px; line-height: 1.6; color: #333333; margin: 20px 0;\">\n Need help? <a href=\"https://yourapp.com/support\" style=\"color: #4299e1;\">Contact our support team</a>.\n </p>\n \n <p style=\"font-size: 16px; line-height: 1.6; color: #333333; margin: 0;\">\n Best regards,<br>\n <strong>The Team</strong>\n </p>\n </td>\n </tr>\n \n <!-- Footer -->\n <tr>\n <td style=\"background-color: #f7fafc; padding: 20px 30px; text-align: center;\">\n <p style=\"font-size: 12px; color: #718096; margin: 0;\">\n \u00a9 2025 Your Company\n </p>\n </td>\n </tr>\n \n </table>\n </td>\n </tr>\n </table>\n</body>\n</html>\n `,\n status: 'invalid',\n timestamp: new Date().toISOString()\n }\n};"
},
"typeVersion": 2
},
{
"id": "3fb1d01c-b57d-4f0d-b160-5ed16f4ff5e5",
"name": "Team Notification",
"type": "n8n-nodes-base.slack",
"position": [
1968,
-96
],
"parameters": {
"text": "=\ud83c\udf89 *New Verified Signup!*\n\ud83d\udc64 *Name:* {{ $('Personalize Welcome Email').item.json.name }}\n\ud83d\udce7 *Email:* {{ $('Personalize Welcome Email').item.json.email }}\n\u23f0 *Time:* {{ $('Personalize Welcome Email').item.json.timestamp }}\n\u2705 *Status:* Verified & Welcomed",
"select": "channel",
"channelId": {
"__rl": true,
"mode": "list",
"value": "",
"cachedResultName": "new-signup"
},
"otherOptions": {},
"authentication": "oAuth2"
},
"credentials": {
"slackOAuth2Api": {
"name": "<your credential>"
}
},
"typeVersion": 2.3
},
{
"id": "d42409be-e1c4-41e0-8114-4d59aaccea1e",
"name": "Log Valid Users",
"type": "n8n-nodes-base.googleSheets",
"position": [
1536,
-96
],
"parameters": {
"columns": {
"value": {
"Name": "={{ $('Personalize Welcome Email').item.json.name }}",
"Email": "={{ $('Personalize Welcome Email').item.json.email }}",
" Status": "={{ $('Personalize Welcome Email').item.json.status }}",
"Verified At": "={{ $('Personalize Welcome Email').item.json.timestamp }}",
"Original Email": "={{ $('Data Sanitization').item.json.original_email }}",
"Validation Score": "={{ $('Personalize Welcome Email').item.json.validationScore }}"
},
"schema": [
{
"id": "Name",
"type": "string",
"display": true,
"required": false,
"displayName": "Name",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Email",
"type": "string",
"display": true,
"removed": false,
"required": false,
"displayName": "Email",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": " Status",
"type": "string",
"display": true,
"required": false,
"displayName": " Status",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Verified At",
"type": "string",
"display": true,
"required": false,
"displayName": "Verified At",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Original Email",
"type": "string",
"display": true,
"required": false,
"displayName": "Original Email",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Validation Score",
"type": "string",
"display": true,
"required": false,
"displayName": "Validation Score",
"defaultMatch": false,
"canBeUsedToMatch": true
}
],
"mappingMode": "defineBelow",
"matchingColumns": [
"Email"
],
"attemptToConvertTypes": false,
"convertFieldsToString": false
},
"options": {},
"operation": "appendOrUpdate",
"sheetName": {
"__rl": true,
"mode": "list",
"value": "",
"cachedResultName": "Sheet1"
},
"documentId": {
"__rl": true,
"mode": "list",
"value": "",
"cachedResultName": "Verified Users"
}
},
"credentials": {
"googleSheetsOAuth2Api": {
"name": "<your credential>"
}
},
"typeVersion": 4.7
},
{
"id": "9e8d198e-2cda-4ff3-8cda-3bfc909444b5",
"name": "Send Welcome Email",
"type": "n8n-nodes-base.gmail",
"position": [
1328,
-96
],
"parameters": {
"sendTo": "={{ $json.email }}",
"message": "={{ $json.emailBody }}",
"options": {},
"subject": "={{ $json.subject }}"
},
"credentials": {
"gmailOAuth2": {
"name": "<your credential>"
}
},
"typeVersion": 2.1
},
{
"id": "04369699-c5d2-4948-96ea-47e74919fe9a",
"name": "Stop and Error",
"type": "n8n-nodes-base.stopAndError",
"position": [
1472,
176
],
"parameters": {
"errorMessage": "\"Invalid email address\""
},
"typeVersion": 1
},
{
"id": "b03ea9e9-1f92-4858-b2ae-e39f4ad2fe83",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
-752,
-112
],
"parameters": {
"color": 7,
"width": 480,
"height": 368,
"content": "## CUSTOMER ONBOARDING EMAIL VERIFICATION WORKFLOW\n\n**Purpose**: Validate **new signups** and send **personalized welcome emails**\n**Owner**: [Your Team]\n**Status**: \u2705 Active\n\n**Quick Stats**:\n- Average execution time: **~3-5 seconds**\n- API calls per signup: **1 (email validation)**\n- Success rate target: **>95%**\n\n**Monitor**: Check **Google Sheets** daily\n**Alerts**: **Slack #new-signups channel**"
},
"typeVersion": 1
},
{
"id": "528bf108-604f-4242-8b99-1990ea3e682e",
"name": "Sticky Note1",
"type": "n8n-nodes-base.stickyNote",
"position": [
-240,
-448
],
"parameters": {
"color": 7,
"width": 304,
"height": 576,
"content": "## WEBHOOK TRIGGER\n\n**Configuration**:\n- Method: **POST**\n- Path: **/new-signup**\n- Authentication: **[None/Basic Auth]**\n\n**Required Fields**:\n```\n{\n \"name\": \"string\",\n \"email\": \"string\"\n}\n```\n\n**TIP**: Use **\"Listen for Test Event\"** \n to debug incoming data structure\n\n**IMPORTANT**: Rate limiting not enabled\n Consider adding if public-facing"
},
"typeVersion": 1
},
{
"id": "b06d93a6-c7d8-4983-8393-f3df19536dda",
"name": "Sticky Note2",
"type": "n8n-nodes-base.stickyNote",
"position": [
80,
-480
],
"parameters": {
"color": 7,
"width": 304,
"height": 608,
"content": "## DATA SANITIZATION\n\n- **Actions**:\n\u2713 Trim whitespace\n\u2713 Lowercase email\n\u2713 Preserve original email\n\u2713 Add timestamp\n\n**Common Issues**:\n- **\"undefined\" error** \u2192 Check webhook data structure\n- Missing fields \u2192 Ensure name & email present\n\n**Output Format**:\n```\n{\n \"name\": \"John Doe\",\n \"email\": \"johndoe@gmail.com\",\n \"original_email\": \"JohnDoe@Gmail.com \",\n \"received_at\": \"2025-10-01T09:07:28.320Z\"\n}\n```"
},
"typeVersion": 1
},
{
"id": "99f39f7d-8b0d-49b4-81a7-cc691caba8bb",
"name": "Sticky Note3",
"type": "n8n-nodes-base.stickyNote",
"position": [
416,
-416
],
"parameters": {
"color": 7,
"width": 256,
"height": 576,
"content": "## EMAIL VALIDATION (VerifiEmail)\n\n- Service: **VerifiEmail API**\n\n**Validation Checks**:\n\u2713 Format validation\n\u2713 MX records exist\n\u2713 Disposable domain detection\n\u2713 Deliverability verification\n\n**Key Response Field**:\n- valid: **true/false (boolean)**\n\nCredentials: https://verifi.email\n\n\ud83d\udca1 **Fallback**: If API fails,\n workflow will error - consider\n adding error handling"
},
"typeVersion": 1
},
{
"id": "878cf3ea-e3e7-4e87-a4e3-6a209497ec1b",
"name": "Sticky Note4",
"type": "n8n-nodes-base.stickyNote",
"position": [
736,
-320
],
"parameters": {
"color": 7,
"height": 448,
"content": "## VALIDATION DECISION POINT\n\n**DECISION POINT**\n**Condition**: **$json.valid == true**\n\n\u2705 **TRUE (~85-90%)**\n\u2192 Welcome email \u2192 Sheets \u2192 Slack\n\n\u274c **FALSE (~10-15%)**\n\u2192 Error message \u2192 Stop\n\n\ud83d\udca1 Monitor weekly split ratio"
},
"typeVersion": 1
},
{
"id": "b9b68238-69ee-4542-ab77-1503382c235d",
"name": "Sticky Note5",
"type": "n8n-nodes-base.stickyNote",
"position": [
1008,
-432
],
"parameters": {
"color": 7,
"width": 272,
"height": 480,
"content": "## PERSONALIZE EMAIL\n\n**Template**:\n- **Subject**: \"Welcome, {firstName}! \ud83c\udf89\"\n- **HTML format (~8KB)**\n\n**Update These**:\n- Company name\n- CTA URLs (yourapp.com/*)\n- Brand colors\n- Footer copyright\n\nData: Name, Email, firstName extracted"
},
"typeVersion": 1
},
{
"id": "9d7e44a0-3e33-4e27-9e91-508b1704f6e4",
"name": "Sticky Note6",
"type": "n8n-nodes-base.stickyNote",
"position": [
1488,
-448
],
"parameters": {
"color": 7,
"height": 496,
"content": "## LOG TO SHEETS\n\n**Operation**: Append or Update\n**Match**: Email (no duplicates)\n\nFields:\n- Name, Email, Status\n- Timestamp, Original Email\n- Validation Score\n\n**Uses**:\n\u2713 Audit trail\n\u2713 Marketing list\n\u2713 Analytics source\n\n**Review weekly for trends**"
},
"typeVersion": 1
},
{
"id": "d249ffe4-fb29-4c93-8146-bba14304ff66",
"name": "Sticky Note7",
"type": "n8n-nodes-base.stickyNote",
"position": [
1792,
-384
],
"parameters": {
"color": 7,
"width": 304,
"height": 432,
"content": "## SLACK ALERT\n\n**Channel**: #new-signup\n\n**Message**:\n\ud83c\udf89 New Verified Signup!\n\ud83d\udc64 Name \n\ud83d\udce7 Email \n\u23f0 Time\n\n**Who**: Sales, Marketing, Product\n\n- If >100/day, switch to:\n - Hourly digest\n - Daily summary"
},
"typeVersion": 1
},
{
"id": "0d82df0e-bcef-478e-a58c-8d0562f40fc0",
"name": "Sticky Note8",
"type": "n8n-nodes-base.stickyNote",
"position": [
1408,
160
],
"parameters": {
"color": 7,
"width": 256,
"height": 480,
"content": "\n\n\n\n\n\n\n\n\n\n\n## STOP & ERROR\n\n**Error**: **\"Invalid email address\"**\n\n**Result**:\n- Workflow stops\n- Marked as error\n- No email sent\n- Not logged\n\n**BETTER OPTION**:\n- Replace with Send Email node\n- Notify user\n- Log to \"Invalid Attempts\" sheet\n- Graceful UX"
},
"typeVersion": 1
},
{
"id": "e76c5aeb-c342-4e9e-81ec-ad9d0330eeab",
"name": "Sticky Note9",
"type": "n8n-nodes-base.stickyNote",
"position": [
-704,
320
],
"parameters": {
"color": 7,
"width": 288,
"height": 384,
"content": "## MAINTENANCE\n\n\ud83d\udcc5 WEEKLY:\n\u25a1 Check API usage\n\u25a1 Review Slack alerts\n\u25a1 Test sample signup\n\n\ud83d\udcc5 MONTHLY:\n\u25a1 Update email template\n\u25a1 Archive old data\n\u25a1 Check Gmail limits\n\n\ud83c\udd98 QUICK FIXES:\n- No emails? \u2192 Check Gmail OAuth2\n- Invalid all? \u2192 Check VerifiEmail API\n- No Slack? \u2192 Verify connection\n- Duplicates? \u2192 Check match column"
},
"typeVersion": 1
},
{
"id": "f177dd8d-ba9e-4b74-816e-385b34a0da5d",
"name": "Sticky Note10",
"type": "n8n-nodes-base.stickyNote",
"position": [
-352,
320
],
"parameters": {
"color": 7,
"width": 304,
"height": 496,
"content": "## QUICK REFERENCE\n\n\ud83d\udd17 Links:\n- Webhook: /webhook/new-signup\n- Sheet: Verified Users\n- Slack: #new-signup\n- API: verifi.email\n\n\ud83d\udcca Targets:\n- Success: >95%\n- Time: <5 sec\n- Delivery: >98%\n\n\ud83e\uddea Test:\n```\ncurl -X POST [webhook] \\\n -H \"Content-Type: application/json\" \\\n -d '{\"name\":\"Test\",\"email\":\"test@gmail.com\"}'\n```\n\ud83d\udc65 Owner: [Your Name]\n\ud83d\udce7 Support: [Email]"
},
"typeVersion": 1
}
],
"active": false,
"settings": {
"executionOrder": "v1"
},
"versionId": "f6a13975-f0ea-4d5f-9df3-77b8adbc172b",
"connections": {
"Webhook": {
"main": [
[
{
"node": "Data Sanitization",
"type": "main",
"index": 0
}
]
]
},
"Log Valid Users": {
"main": [
[
{
"node": "Team Notification",
"type": "main",
"index": 0
}
]
]
},
"Email Validation": {
"main": [
[
{
"node": "Validation Decision",
"type": "main",
"index": 0
}
]
]
},
"Data Sanitization": {
"main": [
[
{
"node": "Email Validation",
"type": "main",
"index": 0
}
]
]
},
"Send Welcome Email": {
"main": [
[
{
"node": "Log Valid Users",
"type": "main",
"index": 0
}
]
]
},
"Validation Decision": {
"main": [
[
{
"node": "Personalize Welcome Email",
"type": "main",
"index": 0
}
],
[
{
"node": "Prepare Correction Email",
"type": "main",
"index": 0
}
]
]
},
"Prepare Correction Email": {
"main": [
[
{
"node": "Stop and Error",
"type": "main",
"index": 0
}
]
]
},
"Personalize Welcome Email": {
"main": [
[
{
"node": "Send Welcome Email",
"type": "main",
"index": 0
}
]
]
}
}
}
Credentials you'll need
Each integration node will prompt for credentials when you import. We strip credential IDs before publishing — you'll add your own.
gmailOAuth2googleSheetsOAuth2ApislackOAuth2ApiverifiEmailApi
Pro
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About this workflow
Automated email verification and welcome email workflow that validates new user signups, prevents fake emails, and creates a seamless onboarding experience with real-time team notifications.
Source: https://n8n.io/workflows/9150/ — original creator credit. Request a take-down →
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