n8n Newsletter Workflow

gistfile1.txt

{
  "name": "Email Newsletter Subscribe",
  "nodes": [
    {
      "parameters": {
        "httpMethod": "POST",
        "path": "21e0b8b8-a1cb-48e2-b438-8fef16f7a604",
        "responseMode": "responseNode",
        "options": {}
      },
      "type": "n8n-nodes-base.webhook",
      "typeVersion": 2.1,
      "position": [
        0,
        0
      ],
      "id": "52f4d0ec-281f-4b66-aeb7-796574fcab93",
      "name": "Webhook",
      "webhookId": "21e0b8b8-a1cb-48e2-b438-8fef16f7a604"
    },
    {
      "parameters": {
        "conditions": {
          "options": {
            "caseSensitive": true,
            "leftValue": "",
            "typeValidation": "strict",
            "version": 3
          },
          "conditions": [
            {
              "id": "1ced78f7-9b3c-4568-86b2-609eda406579",
              "leftValue": "={{ $json.isValid }}",
              "rightValue": true,
              "operator": {
                "type": "boolean",
                "operation": "equals"
              }
            }
          ],
          "combinator": "and"
        },
        "options": {}
      },
      "type": "n8n-nodes-base.if",
      "typeVersion": 2.3,
      "position": [
        384,
        0
      ],
      "id": "b8c88738-ede8-46ae-9d42-9614258d9035",
      "name": "If"
    },
    {
      "parameters": {
        "operation": "upsert",
        "dataTableId": {
          "__rl": true,
          "value": "20koqcqqcwHn5Jrp",
          "mode": "list",
          "cachedResultName": "subscribes",
          "cachedResultUrl": "/projects/uDPdg0QOX75vyp49/datatables/20koqcqqcwHn5Jrp"
        },
        "filters": {
          "conditions": [
            {
              "keyName": "email",
              "keyValue": "={{ $json.email }}"
            }
          ]
        },
        "columns": {
          "mappingMode": "defineBelow",
          "value": {
            "email": "={{ $json.email }}"
          },
          "matchingColumns": [
            "email"
          ],
          "schema": [
            {
              "id": "email",
              "displayName": "email",
              "required": false,
              "defaultMatch": false,
              "display": true,
              "type": "string",
              "readOnly": false,
              "removed": false
            }
          ],
          "attemptToConvertTypes": false,
          "convertFieldsToString": false
        },
        "options": {}
      },
      "type": "n8n-nodes-base.dataTable",
      "typeVersion": 1.1,
      "position": [
        624,
        -96
      ],
      "id": "0bb6a0cc-ec3a-4df8-9c03-00d35c21a2c3",
      "name": "Insert Subscribe to DB"
    },
    {
      "parameters": {
        "sendTo": "={{ $json.email }}",
        "subject": "Welcome to the Newlsetter!",
        "message": "<h1>My welcome email here</h1>",
        "options": {}
      },
      "type": "n8n-nodes-base.gmail",
      "typeVersion": 2.2,
      "position": [
        1040,
        -96
      ],
      "id": "8bbf8118-7188-4985-86ac-1effbf812119",
      "name": "Send a message",
      "webhookId": "030bc4eb-98a8-4f65-b4be-84bf95421c5c",
      "credentials": {
        "gmailOAuth2": {
          "id": "xciTKc93KmIAHb3h",
          "name": "Gmail account"
        }
      }
    },
    {
      "parameters": {
        "content": "## Newsletter SignUp\n",
        "height": 80,
        "width": 288
      },
      "type": "n8n-nodes-base.stickyNote",
      "typeVersion": 1,
      "position": [
        0,
        -112
      ],
      "id": "142e28a1-9b8a-4bde-8896-e9f092037ade",
      "name": "Sticky Note"
    },
    {
      "parameters": {
        "content": "## Subscribe Valid Emails\nAnd send welcome email",
        "height": 256,
        "width": 656
      },
      "type": "n8n-nodes-base.stickyNote",
      "typeVersion": 1,
      "position": [
        560,
        -192
      ],
      "id": "f3e10d3d-ff74-4b82-adef-477c521290ff",
      "name": "Sticky Note1"
    },
    {
      "parameters": {
        "jsCode": "const items = $input.all();\nconst emailRegex = /^[^\\s@]+@[^\\s@]+\\.[^\\s@]+$/;\n\nconst validatedEmails = items.map((item) => {\n  const email = item?.json?.body?.email;\n  const isValid = emailRegex.test(email);\n  return { json: { email, isValid } };\n})\n\nreturn validatedEmails;\n"
      },
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        208,
        0
      ],
      "id": "02f19f65-3eeb-4c4f-b097-34064a164242",
      "name": "Validate Email"
    },
    {
      "parameters": {
        "respondWith": "json",
        "responseBody": "={{ $('Insert Subscribe to DB').item.json }}",
        "options": {}
      },
      "type": "n8n-nodes-base.respondToWebhook",
      "typeVersion": 1.5,
      "position": [
        832,
        -96
      ],
      "id": "47b6d287-7d1a-47c1-a683-e6195e4890ed",
      "name": "Respond to Webhook"
    },
    {
      "parameters": {
        "respondWith": "json",
        "responseBody": "{\n  \"msg\": \"Invalid email address\"\n}",
        "options": {
          "responseCode": 422
        }
      },
      "type": "n8n-nodes-base.respondToWebhook",
      "typeVersion": 1.5,
      "position": [
        624,
        128
      ],
      "id": "c8812bd0-b44b-4a25-a951-29a641deceb7",
      "name": "Respond to Webhook1"
    },
    {
      "parameters": {
        "content": "\n\n\n\n\n\n\n\n\n\n\n\n\n## Handle Invalid Email",
        "height": 224,
        "width": 544
      },
      "type": "n8n-nodes-base.stickyNote",
      "typeVersion": 1,
      "position": [
        560,
        80
      ],
      "id": "e1968c84-a255-4135-b3b3-047fa0f0bd0c",
      "name": "Sticky Note2"
    }
  ],
  "pinData": {
    "Insert Subscribe to DB": [
      {
        "json": {
          "email": "daniel@vueschool.io",
          "id": 1,
          "createdAt": "2026-01-05T14:55:06.704Z",
          "updatedAt": "2026-01-05T14:59:48.631Z"
        },
        "pairedItem": {
          "item": 0
        }
      }
    ]
  },
  "connections": {
    "Webhook": {
      "main": [
        [
          {
            "node": "Validate Email",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "If": {
      "main": [
        [
          {
            "node": "Insert Subscribe to DB",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "Respond to Webhook1",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Insert Subscribe to DB": {
      "main": [
        [
          {
            "node": "Respond to Webhook",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Validate Email": {
      "main": [
        [
          {
            "node": "If",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Respond to Webhook": {
      "main": [
        [
          {
            "node": "Send a message",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "active": true,
  "settings": {
    "executionOrder": "v1",
    "availableInMCP": false
  },
  "versionId": "cc704cd1-5fd0-4017-8b68-3b22d6d0a4e2",
  "meta": {
    "templateCredsSetupCompleted": true,
    "instanceId": "ebb22001e8f944cb3a2f1aba998d512e3eb57d72e310b2335d1e5f99c1aa636c"
  },
  "id": "BDEHmKwe02UoPURH",
  "tags": []
}