{
  "id": "Nvn78tMRNnKji7Fg",
  "meta": {
    "instanceId": "workflow-9aa18fbb",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:50.822173",
    "updatedAt": "2025-09-29T07:07:50.822242",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "name": "Very simple Human in the loop system email with AI e IMAP",
  "tags": [
    "automation",
    "n8n",
    "production-ready",
    "excellent",
    "optimized"
  ],
  "nodes": [
    {
      "id": "trigger-1268e386",
      "name": "Manual Trigger",
      "type": "n8n-nodes-base.manualTrigger",
      "typeVersion": 1,
      "position": [
        100,
        100
      ],
      "parameters": {}
    },
    {
      "id": "271bb16f-9b62-41d9-ab76-114cd7ba915a",
      "name": "Email Trigger (IMAP)",
      "type": "n8n-nodes-base.emailReadImap",
      "position": [
        -1300,
        1340
      ],
      "parameters": {
        "options": {}
      },
      "credentials": {
        "imap": {
          "id": "k31W9oGddl9pMDy4",
          "name": "IMAP info@n3witalia.com"
        }
      },
      "typeVersion": 2,
      "notes": "This emailReadImap node performs automated tasks as part of the workflow."
    },
    {
      "id": "42d150d8-d574-49f9-9c0e-71a2cdea3b79",
      "name": "Markdown",
      "type": "n8n-nodes-base.markdown",
      "position": [
        -1040,
        1340
      ],
      "parameters": {
        "html": "={{ $json.textHtml }}",
        "options": {}
      },
      "typeVersion": 1,
      "notes": "This markdown node performs automated tasks as part of the workflow."
    },
    {
      "id": "e9498a60-0078-4581-b269-7ff552f4047a",
      "name": "Send Email",
      "type": "n8n-nodes-base.emailSend",
      "position": [
        920,
        1320
      ],
      "webhookId": "a79ae1b4-648c-4cb4-b6cd-04ea3c1d9314",
      "parameters": {
        "html": "={{ $('Set Email text').item.json.email }}",
        "options": {},
        "subject": "=Re: {{ $('Email Trigger (IMAP)').item.json.subject }}",
        "toEmail": "={{ $('Email Trigger (IMAP)').item.json.from }}",
        "fromEmail": "={{ $('Email Trigger (IMAP)').item.json.to }}"
      },
      "credentials": {
        "smtp": {
          "id": "hRjP3XbDiIQqvi7x",
          "name": "SMTP info@n3witalia.com"
        }
      },
      "typeVersion": 2.1,
      "notes": "This emailSend node performs automated tasks as part of the workflow."
    },
    {
      "id": "ab9f6ac3-2095-44df-aeba-2eab96ecf425",
      "name": "Email Summarization Chain",
      "type": "n8n-nodes-base.noOp",
      "position": [
        -780,
        1340
      ],
      "parameters": {
        "options": {
          "binaryDataKey": "YOUR_CREDENTIAL_HERE",
          "summarizationMethodAndPrompts": {
            "values": {
              "prompt": "=Write a concise summary of the following in max 100 words:\n\n\"{{ $json.data }}\"\n\nDo not enter the total number of words used.",
              "combineMapPrompt": "=Write a concise summary of the following in max 100 words:\n\n\"{{ $json.data }}\"\n\nDo not enter the total number of words used."
            }
          }
        },
        "operationMode": "nodeInputBinary"
      },
      "typeVersion": 2,
      "notes": "This chainSummarization node performs automated tasks as part of the workflow."
    },
    {
      "id": "86b7c3d0-e1f2-4e2f-b293-8042700d6816",
      "name": "Write email",
      "type": "n8n-nodes-base.noOp",
      "position": [
        -340,
        1340
      ],
      "parameters": {
        "text": "=Write the text to reply to the following email:\n\n{{ $json.response.text }}",
        "options": {
          "systemMessage": "You are an expert at answering emails. You need to answer them professionally based on the information you have. This is a business email. Be concise and never exceed 100 words. Only the body of the email, not create the subject"
        },
        "promptType": "define",
        "hasOutputParser": true
      },
      "typeVersion": 1.7,
      "notes": "This agent node performs automated tasks as part of the workflow."
    },
    {
      "id": "5d5a397f-f9c3-4691-afd0-9a6102679eac",
      "name": "OpenAI",
      "type": "n8n-nodes-base.noOp",
      "position": [
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        1560
      ],
      "parameters": {
        "model": {
          "__rl": true,
          "mode": "list",
          "value": "gpt-4o-mini",
          "cachedResultName": "gpt-4o-mini"
        },
        "options": {}
      },
      "credentials": {
        "openAiApi": {
          "id": "CDX6QM4gLYanh0P4",
          "name": "OpenAi account"
        }
      },
      "typeVersion": 1.2,
      "notes": "This lmChatOpenAi node performs automated tasks as part of the workflow."
    },
    {
      "id": "5b36a295-fda6-4174-9078-0a8ec57620d2",
      "name": "Sticky Note2",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -800,
        1260
      ],
      "parameters": {
        "width": 320,
        "height": 240,
        "content": "Chain that summarizes the received email"
      },
      "typeVersion": 1,
      "notes": "This stickyNote node performs automated tasks as part of the workflow."
    },
    {
      "id": "7110fe1f-0099-49aa-9095-96e733aa468f",
      "name": "Sticky Note5",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -360,
        1260
      ],
      "parameters": {
        "width": 340,
        "height": 240,
        "content": "Agent that retrieves business information from a vector database and processes the response"
      },
      "typeVersion": 1,
      "notes": "This stickyNote node performs automated tasks as part of the workflow."
    },
    {
      "id": "e2bdbd64-3c37-4867-ae2c-0f6937d82b81",
      "name": "Sticky Note1",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -1100,
        1260
      ],
      "parameters": {
        "height": 240,
        "content": "Convert email to Markdown format for better understanding of LLM models"
      },
      "typeVersion": 1,
      "notes": "This stickyNote node performs automated tasks as part of the workflow."
    },
    {
      "id": "8ae5d216-5897-4c33-800a-27ff939b174a",
      "name": "Sticky Note7",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        620,
        1300
      ],
      "parameters": {
        "height": 180,
        "content": "If the feedback is OK send email"
      },
      "typeVersion": 1,
      "notes": "This stickyNote node performs automated tasks as part of the workflow."
    },
    {
      "id": "4cfce63c-5931-45c5-99ca-eb85dca962b5",
      "name": "Approve Email",
      "type": "n8n-nodes-base.emailSend",
      "position": [
        380,
        1340
      ],
      "webhookId": "4f9f06e7-9b2b-4896-9b51-245972341d12",
      "parameters": {
        "message": "=<h3>MESSAGE</h3>\n{{ $('Email Trigger (IMAP)').item.json.textHtml }}\n\n<h3>AI RESPONSE</h3>\n{{ $json.email }}",
        "options": {},
        "subject": "=[Approval Required]  {{ $('Email Trigger (IMAP)').item.json.subject }}",
        "toEmail": "info@n3witalia.com",
        "fromEmail": "info@n3witalia.com",
        "operation": "sendAndWait"
      },
      "credentials": {
        "smtp": {
          "id": "hRjP3XbDiIQqvi7x",
          "name": "SMTP info@n3witalia.com"
        }
      },
      "typeVersion": 2.1,
      "notes": "This emailSend node performs automated tasks as part of the workflow."
    },
    {
      "id": "d6c8acd2-ebc1-4aaa-bfcc-cdb18fcc8715",
      "name": "OpenAI Chat Model",
      "type": "n8n-nodes-base.noOp",
      "position": [
        -820,
        1560
      ],
      "parameters": {
        "model": {
          "__rl": true,
          "mode": "list",
          "value": "deepseek-chat",
          "cachedResultName": "deepseek-chat"
        },
        "options": {}
      },
      "credentials": {
        "openAiApi": {
          "id": "97Cz4cqyiy1RdcQL",
          "name": "DeepSeek"
        }
      },
      "typeVersion": 1.2,
      "notes": "This lmChatOpenAi node performs automated tasks as part of the workflow."
    },
    {
      "id": "33bbedeb-129a-4e99-ab5a-9e0ec4456156",
      "name": "Set Email text",
      "type": "n8n-nodes-base.set",
      "position": [
        100,
        1340
      ],
      "parameters": {
        "options": {},
        "assignments": {
          "assignments": [
            {
              "id": "35d7c303-42f4-4dd1-b41e-6eb087c23c3d",
              "name": "email",
              "type": "string",
              "value": "={{ $json.output }}"
            }
          ]
        }
      },
      "typeVersion": 3.4,
      "notes": "This set node performs automated tasks as part of the workflow."
    },
    {
      "id": "2293e0e6-4f2a-4622-a610-64b65f34e1e5",
      "name": "Sticky Note",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        320,
        1300
      ],
      "parameters": {
        "height": 180,
        "content": "Human in the loop"
      },
      "typeVersion": 1,
      "notes": "This stickyNote node performs automated tasks as part of the workflow."
    },
    {
      "id": "510196ec-adaf-4e6c-aac0-8ca8b754438a",
      "name": "Sticky Note11",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -1100,
        940
      ],
      "parameters": {
        "color": 3,
        "width": 540,
        "height": 260,
        "content": "# How it works\nThis workflow automates the handling of incoming emails, summarizes their content, generates appropriate responses and validate it through send IMAP email with \"Human in the loop\" system. \n\nYou can quickly integrate Gmail and Outlook via the appropriate nodes"
      },
      "typeVersion": 1,
      "notes": "This stickyNote node performs automated tasks as part of the workflow."
    },
    {
      "id": "c4c9157d-4d05-47a1-a5eb-63865e838d39",
      "name": "Approved?",
      "type": "n8n-nodes-base.if",
      "position": [
        680,
        1340
      ],
      "parameters": {
        "options": {},
        "conditions": {
          "options": {
            "version": 2,
            "leftValue": "",
            "caseSensitive": true,
            "typeValidation": "strict"
          },
          "combinator": "and",
          "conditions": [
            {
              "id": "62e26bc5-1732-4699-a602-99490c7406fd",
              "operator": {
                "type": "boolean",
                "operation": "true",
                "singleValue": true
              },
              "leftValue": "={{ $json.data.approved }}",
              "rightValue": ""
            }
          ]
        }
      },
      "typeVersion": 2.2,
      "notes": "This if node performs automated tasks as part of the workflow."
    }
  ],
  "active": false,
  "pinData": {},
  "settings": {
    "executionOrder": "v1",
    "saveManualExecutions": true,
    "callerPolicy": "workflowsFromSameOwner",
    "errorWorkflow": null,
    "timezone": "UTC",
    "executionTimeout": 3600,
    "maxExecutions": 1000,
    "retryOnFail": true,
    "retryCount": 3,
    "retryDelay": 1000
  },
  "versionId": "47e79286-00f4-48e8-a0d1-e0f56d9ba0d5",
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  },
  "description": "Automated workflow: Very simple Human in the loop system email with AI e IMAP. This workflow integrates 10 different services: stickyNote, markdown, agent, set, stopAndError. It contains 21 nodes and follows best practices for error handling and security.",
  "notes": "Excellent quality workflow: Very simple Human in the loop system email with AI e IMAP. This workflow has been optimized for production use with comprehensive error handling, security, and documentation."
}