Smart Email Manager with Gmail, Gpt-4 Classification & Auto-responses

The workflow JSON

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{
  "name": "AI Email Assistant - Smart Email Processing & Response",
  "tags": [
    "ai-assistant",
    "email-automation",
    "smart-inbox",
    "productivity",
    "business-automation"
  ],
  "nodes": [
    {
      "id": "e94f2b5f-32a8-411a-ace4-cb3302ff16d2",
      "name": "\ud83d\udccb Optional File Filtering",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        0,
        0
      ],
      "parameters": {
        "color": 3,
        "width": 340,
        "height": 320,
        "content": "## \ud83c\udfaf File Type Filtering (Optional)\n\n**Switch between nodes:**\n- `GetBinaryDataALL` - Process all attachment types\n- `GetSpecificBinaryData` - Only PDF/XML files\n\n**Use case:** Filter sensitive file types for security\n\n**Double click** to edit. [Guide](https://docs.n8n.io/workflows/sticky-notes/)"
      },
      "typeVersion": 1
    },
    {
      "id": "321bbe22-fa97-4b15-a511-0dec17ff3b3f",
      "name": "\ud83d\udce7 Email Processing",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -3408,
        3312
      ],
      "parameters": {
        "color": 7,
        "width": 1009,
        "height": 306,
        "content": "## \ud83d\udce7 Email Processing Pipeline\n\n**Flow:**\n1. Receive new email\n2. Get conversation thread context\n3. Extract latest message content\n4. Process with AI for categorization\n\n**Features:**\n- Thread-aware responses\n- Context preservation\n- Batch processing\n\n**Double click** to edit. [Guide](https://docs.n8n.io/workflows/sticky-notes/)"
      },
      "typeVersion": 1
    },
    {
      "id": "1300f978-4409-4ab5-92a9-1e2d1a9f8bf2",
      "name": "\u270d\ufe0f Response Generation",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -1184,
        2800
      ],
      "parameters": {
        "color": 7,
        "width": 583,
        "height": 313,
        "content": "## \u270d\ufe0f AI Response Generation\n\n**Capabilities:**\n- Context-aware responses\n- Professional tone matching\n- Multiple response options\n- Custom business voice\n\n**Output:** Draft email ready for review\n\n**Double click** to edit. [Guide](https://docs.n8n.io/workflows/sticky-notes/)"
      },
      "typeVersion": 1
    },
    {
      "id": "80372ae4-e5f2-4b26-8dba-faba15d93540",
      "name": "Auto-fixing Output Parser",
      "type": "@n8n/n8n-nodes-langchain.outputParserAutofixing",
      "position": [
        -1680,
        3664
      ],
      "parameters": {
        "options": {}
      },
      "typeVersion": 1
    },
    {
      "id": "eb06df2a-44dc-442e-9aea-e8ed3aafce27",
      "name": "\ud83d\udd0d Email Analysis",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -1840,
        3312
      ],
      "parameters": {
        "color": 7,
        "width": 383,
        "height": 313,
        "content": "## \ud83d\udd0d Email Classification\n\n**AI Analysis:**\n- Priority assessment (High/Medium/Low)\n- Category assignment\n- Urgency detection\n- Response requirements\n- Follow-up needs\n\n**Output:** Structured classification data\n\n**Double click** to edit. [Guide](https://docs.n8n.io/workflows/sticky-notes/)"
      },
      "typeVersion": 1
    },
    {
      "id": "c336e363-4bde-43b3-8e6e-076e70b50757",
      "name": "Structured Output Parser",
      "type": "@n8n/n8n-nodes-langchain.outputParserStructured",
      "position": [
        -1536,
        3904
      ],
      "parameters": {
        "schemaType": "manual",
        "inputSchema": "{\n  \"$schema\": \"http://json-schema.org/draft-07/schema#\",\n  \"type\": \"object\",\n  \"required\": [\"metadata\", \"classification\", \"actions\"],\n  \"properties\": {\n    \"metadata\": {\n      \"type\": \"object\",\n      \"required\": [\"sender\", \"subject\", \"receivedDate\"],\n      \"properties\": {\n        \"sender\": {\n          \"type\": \"string\",\n          \"format\": \"email\"\n        },\n        \"subject\": {\n          \"type\": \"string\",\n          \"minLength\": 1\n        },\n        \"receivedDate\": {\n          \"type\": \"string\",\n          \"format\": \"date-time\"\n        }\n      }\n    },\n    \"classification\": {\n      \"type\": \"object\",\n      \"required\": [\n        \"summary\",\n        \"toReply\",\n        \"urgent\",\n        \"dateRelated\",\n        \"attachmentsToUpload\",\n        \"requiresFollowUp\",\n        \"forwardToTeam\",\n        \"priority\",\n        \"label_ids\",\n        \"label_categories\"\n      ],\n      \"properties\": {\n        \"summaryOfEmail\": {\n          \"type\": \"string\"\n        },\n        \"toReply\": {\n          \"type\": \"boolean\"\n        },\n        \"urgent\": {\n          \"type\": \"boolean\"\n        },\n        \"dateRelated\": {\n          \"type\": \"boolean\"\n        },\n        \"attachmentsToUpload\": {\n          \"type\": \"boolean\"\n        },\n        \"requiresFollowUp\": {\n          \"type\": \"boolean\"\n        },\n        \"forwardToTeam\": {\n          \"type\": \"boolean\"\n        },\n        \"priority\": {\n          \"type\": \"string\",\n          \"enum\": [\"High\", \"Medium\", \"Low\"]\n        },\n        \"label_ids\": {\n          \"type\": \"array\",\n          \"items\": {\n            \"type\": \"string\"\n          },\n          \"minItems\": 1\n        },\n        \"label_categories\": {\n          \"type\": \"array\",\n          \"items\": {\n            \"type\": \"string\"\n          },\n          \"minItems\": 1\n        }\n      }\n    },\n    \"actions\": {\n      \"type\": \"object\",\n      \"required\": [\n        \"notes\",\n        \"dueDate\",\n        \"uploadAttachments\",\n        \"createTask\",\n        \"additionalTasks\"\n      ],\n      \"properties\": {\n        \"notes\": {\n          \"type\": \"string\"\n        },\n        \"dueDate\": {\n          \"type\": \"string\",\n          \"format\": \"date\"\n        },\n        \"uploadAttachments\": {\n          \"type\": \"boolean\"\n        },\n        \"createTask\": {\n          \"type\": \"boolean\"\n        },\n        \"additionalTasks\": {\n          \"type\": \"array\",\n          \"items\": {\n            \"type\": \"string\"\n          }\n        }\n      }\n    }\n  },\n  \"additionalProperties\": false\n}"
      },
      "typeVersion": 1.2
    },
    {
      "id": "6f3996c0-bf26-4850-b324-b20253793f48",
      "name": "\ud83c\udff7\ufe0f Smart Labeling",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -1184,
        3712
      ],
      "parameters": {
        "color": 7,
        "width": 463,
        "height": 373,
        "content": "## \ud83c\udff7\ufe0f Smart Labeling System\n\n**Auto-assigns:**\n- Category-based labels\n- Priority indicators\n- Processing status ('digested')\n- Custom business labels\n\n**Benefits:**\n- Organized inbox\n- Easy filtering\n- Progress tracking\n\n**Double click** to edit. [Guide](https://docs.n8n.io/workflows/sticky-notes/)"
      },
      "typeVersion": 1
    },
    {
      "id": "03c6a77e-abb9-4dc0-a05b-2bd664afd8a6",
      "name": "\ud83d\udcce Attachment Handler",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -1184,
        3120
      ],
      "parameters": {
        "color": 7,
        "width": 423,
        "height": 273,
        "content": "## \ud83d\udcce Attachment Processing\n\n**Features:**\n- Automatic upload to cloud storage\n- File type filtering (PDF, XML, etc.)\n- Duplicate detection\n- Organized file naming\n\n**Storage:** Google Drive integration\n\n**Double click** to edit. [Guide](https://docs.n8n.io/workflows/sticky-notes/)"
      },
      "typeVersion": 1
    },
    {
      "id": "a98fb400-c660-4bd3-ac33-9483d26d2c10",
      "name": "\ud83d\udea8 Alert System",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -1184,
        3424
      ],
      "parameters": {
        "color": 7,
        "width": 243,
        "height": 253,
        "content": "## \ud83d\udea8 Urgent Notifications\n\n**Alert System:**\n- Instant notifications for urgent emails\n- Telegram/Slack integration\n- Email summary and quick actions\n- Direct Gmail links\n\n**Criteria:** AI-determined urgency\n\n**Double click** to edit. [Guide](https://docs.n8n.io/workflows/sticky-notes/)"
      },
      "typeVersion": 1
    },
    {
      "id": "2cba2d61-7944-434c-96ef-2dc74ca5589c",
      "name": "Check for Attachments",
      "type": "n8n-nodes-base.if",
      "position": [
        -1168,
        3248
      ],
      "parameters": {
        "options": {},
        "conditions": {
          "options": {
            "version": 2,
            "leftValue": "",
            "caseSensitive": true,
            "typeValidation": "strict"
          },
          "combinator": "and",
          "conditions": [
            {
              "id": "22f8d83a-b7d1-4b4a-8967-4335c0d1f510",
              "operator": {
                "type": "object",
                "operation": "exists",
                "singleValue": true
              },
              "leftValue": "={{ $('Email_Trigger').item.binary }}",
              "rightValue": ""
            }
          ]
        }
      },
      "typeVersion": 2.2
    },
    {
      "id": "24af5d4a-0543-478f-b484-0706e9e3d893",
      "name": "Email_Trigger",
      "type": "n8n-nodes-base.gmailTrigger",
      "position": [
        -3344,
        3424
      ],
      "parameters": {
        "simple": false,
        "filters": {
          "q": "-from:me"
        },
        "options": {
          "downloadAttachments": true
        },
        "pollTimes": {
          "item": [
            {
              "mode": "everyHour"
            }
          ]
        }
      },
      "typeVersion": 1
    },
    {
      "id": "d84fed31-2e78-43a3-beb1-94e1ad9cf433",
      "name": "Get Conversation Thread",
      "type": "n8n-nodes-base.gmail",
      "position": [
        -2880,
        3424
      ],
      "parameters": {
        "options": {
          "returnOnlyMessages": true
        },
        "resource": "thread",
        "threadId": "={{ $('Email_Trigger').item.json.threadId }}",
        "operation": "get"
      },
      "retryOnFail": true,
      "typeVersion": 2.1
    },
    {
      "id": "24ba4c20-2191-4333-86fe-ad07cc870125",
      "name": "Get Latest Message ID",
      "type": "n8n-nodes-base.limit",
      "position": [
        -2704,
        3424
      ],
      "parameters": {
        "keep": "lastItems"
      },
      "typeVersion": 1
    },
    {
      "id": "d0231c2f-3560-490d-8dfc-e29b251799a3",
      "name": "Get Latest Message Content",
      "type": "n8n-nodes-base.gmail",
      "position": [
        -2528,
        3424
      ],
      "parameters": {
        "simple": false,
        "options": {},
        "messageId": "={{ $('Get Latest Message ID').item.json.id }}",
        "operation": "get"
      },
      "executeOnce": false,
      "retryOnFail": true,
      "typeVersion": 2.1
    },
    {
      "id": "60f5e786-607b-4007-ac5c-80c7d05d2be4",
      "name": "AI Email Classifier",
      "type": "@n8n/n8n-nodes-langchain.chainLlm",
      "position": [
        -1760,
        3424
      ],
      "parameters": {
        "text": "=<message>\n{{ $('Get Latest Message Content').item.json.textAsHtml }} \n</message>\n\n<subject>\n{{ $('Get Latest Message Content').item.json.subject }}\n</subject>\n\n<metadata>\n{{ $('Get Latest Message Content').item.json.headers.from }}\n{{ $('Get Latest Message Content').item.json.headers.date }}\n</metadata>\n\n<attachments>\n{{ $('Email_Trigger').item.binary ? true : false }}\n</attachments>\n\n<categories>\n{{ JSON.stringify($('Get User Labels').all(), null, 2) }}\n</categories>\n\n<current_category_labels>\n{{ $('Email_Trigger').item.json.labelIds }}\n</current_category_labels>\n\n<message_thread>\n{{ $('Email_Trigger').item.json.textAsHtml }}\n</message_thread>",
        "messages": {
          "messageValues": [
            {
              "message": "=# Email Assessment Agent\n<role>\nYou are an intelligent email analysis system that evaluates incoming emails to determine their characteristics, priority, and required actions.\n</role>\n\n<scope>\nProcess and analyze email content and metadata to classify messages, determine response requirements, assess urgency, and identify attachment needs.\n</scope>\n\n<command>\nFor each email received, perform the following analysis steps:\n\nStep 1: Analyze the email content and metadata to extract key information\nStep 2: Classify the email using provided labels and categories\nStep 3: Determine response requirements and urgency\nStep 4: Check for attachment handling needs\nStep 5: Generate a comprehensive assessment in the specified JSON output format\n</command>\n\n<inputs>\n- message: The full email body text of the most recent message in the thread\n- subject: Email subject line\n- metadata: Sender information, received date, and any system flags\n- attachments: Boolean indicating presence of attachments\n- categories: List of label categories\n- categories_ids: List of associated label category IDs\n- message_thread: The full context from previous messages in the conversation\n</inputs>\n\n<constraints>\n- Must only use provided categories for classification\n- Classifications must be evidence-based from email content\n- Urgency assessment must align with defined criteria\n- Do not infer information not present in the email\n- Each email can have multiple labels\n- Response requirements must follow specified guidelines\n</constraints> \n\n<format>\nReturn a single JSON object with the following structure:\n```json\n{\n  \"metadata\": {\n    \"sender\": string,\n    \"subject\": string,\n    \"receivedDate\": string (ISO 8601)\n  },\n  \"classification\": {\n    \"toReply\": boolean,\n    \"urgent\": boolean,\n    \"dateRelated\": boolean,\n    \"attachmentsToUpload\": boolean,\n    \"requiresFollowUp\": boolean,\n    \"forwardToTeam\": boolean,\n    \"priority\": \"High\" | \"Medium\" | \"Low\",\n    \"label_ids\": string[],\n    \"label_categories\": string[]\n  },\n  \"actions\": {\n    \"notes\": string,\n    \"dueDate\": string,\n    \"uploadAttachments\": boolean,\n    \"createTask\": boolean,\n    \"additionalTasks\": string[]\n  }\n}\n```\n\n<categorization_rules>\nAll categorization elements should be considered independent but related:\n\n**Response Required (toReply):**\n- Direct questions or requests\n- Time-sensitive matters requiring confirmation\n- Approval requests\n- RSVP requirements\n\n**Urgent Classification:**\n- Immediate business impact\n- System/security incidents\n- Time-critical deadlines\n- Crisis situations\n- Keywords: URGENT, EMERGENCY, CRITICAL, ASAP\n\n**Priority Levels:**\n- High: Urgent matters requiring immediate attention\n- Medium: Important but not time-critical\n- Low: Routine or informational messages\n\n**Follow-up Requirements:**\n- Multi-step processes\n- Future deadlines\n- Progress monitoring needs\n- Ongoing projects\n\n**Team Forwarding:**\n- Cross-departmental impact\n- Shared responsibilities\n- Knowledge sharing requirements\n- Collaborative projects\n</categorization_rules>"
            }
          ]
        },
        "promptType": "define",
        "hasOutputParser": true
      },
      "executeOnce": true,
      "retryOnFail": true,
      "typeVersion": 1.5
    },
    {
      "id": "99c5bb8c-e0d0-4963-9b9c-6bbdc0be243b",
      "name": "Smart Action Router",
      "type": "n8n-nodes-base.switch",
      "position": [
        -1424,
        3408
      ],
      "parameters": {
        "rules": {
          "values": [
            {
              "outputKey": "RESPONSE",
              "conditions": {
                "options": {
                  "version": 2,
                  "leftValue": "",
                  "caseSensitive": true,
                  "typeValidation": "strict"
                },
                "combinator": "and",
                "conditions": [
                  {
                    "id": "6d9939fa-0ddd-4b1b-b607-e4a521384c71",
                    "operator": {
                      "type": "boolean",
                      "operation": "true",
                      "singleValue": true
                    },
                    "leftValue": "={{ $json.output.classification.toReply }}",
                    "rightValue": ""
                  }
                ]
              },
              "renameOutput": true
            },
            {
              "outputKey": "ATTACHMENTS",
              "conditions": {
                "options": {
                  "version": 2,
                  "leftValue": "",
                  "caseSensitive": true,
                  "typeValidation": "strict"
                },
                "combinator": "and",
                "conditions": [
                  {
                    "id": "cb7c3b89-b19b-4e32-987b-7f462bc221cd",
                    "operator": {
                      "type": "boolean",
                      "operation": "true",
                      "singleValue": true
                    },
                    "leftValue": "={{ $json.output.classification.attachmentsToUpload }}",
                    "rightValue": ""
                  }
                ]
              },
              "renameOutput": true
            },
            {
              "outputKey": "ALERT",
              "conditions": {
                "options": {
                  "version": 2,
                  "leftValue": "",
                  "caseSensitive": true,
                  "typeValidation": "strict"
                },
                "combinator": "and",
                "conditions": [
                  {
                    "id": "ca803c7f-8884-4e40-b818-03c46d545ada",
                    "operator": {
                      "type": "boolean",
                      "operation": "true",
                      "singleValue": true
                    },
                    "leftValue": "={{ $json.output.classification.urgent }}",
                    "rightValue": ""
                  }
                ]
              },
              "renameOutput": true
            },
            {
              "outputKey": "LABEL",
              "conditions": {
                "options": {
                  "version": 2,
                  "leftValue": "",
                  "caseSensitive": true,
                  "typeValidation": "strict"
                },
                "combinator": "and",
                "conditions": [
                  {
                    "id": "bd20b778-b44f-4927-a337-f6cfae3ef590",
                    "operator": {
                      "type": "string",
                      "operation": "exists",
                      "singleValue": true
                    },
                    "leftValue": "=",
                    "rightValue": ""
                  }
                ]
              },
              "renameOutput": true
            }
          ]
        },
        "options": {
          "allMatchingOutputs": true
        }
      },
      "retryOnFail": true,
      "typeVersion": 3.2
    },
    {
      "id": "48decbca-dbf9-4494-9190-f48248c0c461",
      "name": "Aggregate Label IDs",
      "type": "n8n-nodes-base.aggregate",
      "position": [
        -1120,
        3872
      ],
      "parameters": {
        "options": {},
        "fieldsToAggregate": {
          "fieldToAggregate": [
            {
              "renameField": true,
              "outputFieldName": "label_ids",
              "fieldToAggregate": "output.classification.label_ids"
            }
          ]
        }
      },
      "typeVersion": 1
    },
    {
      "id": "fbbba2ef-bea1-4814-abcd-f0f41288aeaa",
      "name": "AI Response Generator",
      "type": "@n8n/n8n-nodes-langchain.chainLlm",
      "position": [
        -1136,
        2912
      ],
      "parameters": {
        "text": "=Subject: {{ $('Email_Trigger').item.json.subject }}\nMessage: {{ $('Email_Trigger').item.json.textAsHtml }}",
        "messages": {
          "messageValues": [
            {
              "message": "=# Professional Email Response Generator\n\n<guidelines>\n**Tone & Style:**\n- Use business casual tone, warm but professional\n- Be concise and direct\n- Mirror the formality level of the incoming email\n- Match the language and urgency of the incoming email\n\n**Structure:**\n- Start with \"Hi [Name]\"\n- For multi-point emails, use short paragraphs (2-3 sentences each)\n- End with \"Best Regards,\\n[YOUR NAME]\"\n\n**Response Types:**\nFor yes/no questions, provide two alternatives:\n[AFFIRMATIVE RESPONSE]\nOR - - - - - - -\n[NEGATIVE RESPONSE]\n\n**Content Guidelines:**\n- Never invent information\n- Use \"[PLACEHOLDER]\" for missing information  \n- For SALES inquiries: Include next steps (call booking, demo scheduling)\n- For COMPLAINTS: Express understanding, provide clear resolution steps\n- Plain text only, no formatting\n- Keep sentences concise but informative\n\n**Key Response Principles:**\n- Address the specific issue/request\n- Provide clear next steps\n- Request any missing information\n- Set clear expectations\n- Maintain professional and warm tone\n- Include follow-up plan when needed\n\n**Customization Notes:**\n- Replace [YOUR NAME] with your actual name\n- Adjust tone to match your business style\n- Add company-specific information as needed\n</guidelines>"
            }
          ]
        },
        "promptType": "define"
      },
      "typeVersion": 1.4
    },
    {
      "id": "5bd3feb3-ccdb-4cc4-a3c8-ff161926bc78",
      "name": "Upload to Google Drive",
      "type": "n8n-nodes-base.googleDrive",
      "position": [
        -240,
        3424
      ],
      "parameters": {
        "name": "={{ \n$('AI Email Classifier').item.json.output.metadata.receivedDate.toDateTime().format('yyyy.MM.dd')\n+ \" - \"\n+ $('Email_Trigger').item.json.from.value[0].address \n+ ' - ' \n+ $('Get All Attachments').item.json.fileName.split(\".\")[0] \n+ \".\" + $('Get All Attachments').item.json.fileName.split(\".\")[1]}}",
        "driveId": {
          "__rl": true,
          "mode": "list",
          "value": "My Drive"
        },
        "options": {},
        "folderId": {
          "__rl": true,
          "mode": "id",
          "value": "YOUR_GOOGLE_DRIVE_FOLDER_ID"
        }
      },
      "notesInFlow": true,
      "retryOnFail": true,
      "typeVersion": 3
    },
    {
      "id": "3ce26cee-92d4-47fd-bb29-d7a7e25db396",
      "name": "Create Draft Response",
      "type": "n8n-nodes-base.gmail",
      "position": [
        -800,
        2912
      ],
      "parameters": {
        "message": "={{ $('AI Response Generator').item.json.text.replace(/\\n/g, \"<br />\\n\") }}",
        "options": {
          "sendTo": "={{ $('Email_Trigger').item.json.headers.from }}",
          "threadId": "={{ $('Email_Trigger').item.json.threadId }}"
        },
        "subject": "={{ $('Email_Trigger').item.json.headers.subject }}",
        "resource": "draft",
        "emailType": "html"
      },
      "retryOnFail": true,
      "typeVersion": 2.1
    },
    {
      "id": "d28fff76-9f61-4e8a-895c-719836c4d3e4",
      "name": "Assign Classification Label",
      "type": "n8n-nodes-base.gmail",
      "position": [
        -944,
        3792
      ],
      "parameters": {
        "labelIds": "={{ $('Aggregate Label IDs').item.json.label_ids[0] }}",
        "messageId": "={{ $('Email_Trigger').item.json.id }}",
        "operation": "addLabels"
      },
      "notesInFlow": true,
      "retryOnFail": true,
      "typeVersion": 2.1
    },
    {
      "id": "18d309f1-9b49-4d40-9fe3-fa553429520c",
      "name": "Mark as Processed",
      "type": "n8n-nodes-base.gmail",
      "onError": "continueErrorOutput",
      "position": [
        -944,
        3952
      ],
      "parameters": {
        "labelIds": [
          "YOUR_PROCESSED_LABEL_ID"
        ],
        "messageId": "={{ $('Email_Trigger').item.json.id }}",
        "operation": "addLabels"
      },
      "notesInFlow": true,
      "retryOnFail": true,
      "typeVersion": 2.1
    },
    {
      "id": "53c5c777-b382-4833-b306-8553c6750e83",
      "name": "Send Urgent Alert",
      "type": "n8n-nodes-base.telegram",
      "position": [
        -1136,
        3504
      ],
      "parameters": {
        "text": "=\ud83d\udea8 URGENT EMAIL ALERT\n\n\ud83d\udc64 From: {{ $('Email_Trigger').item.json.from.value[0].name }}\n\ud83d\udce7 Subject: {{ $('Email_Trigger').item.json.subject }}\n\ud83d\udccb Summary: {{ $('AI Email Classifier').item.json.output.classification.summaryOfEmail }}\n\ud83d\udd17 Link: https://mail.google.com/mail/u/0/#inbox/{{ $('Email_Trigger').item.json.id }}",
        "chatId": "YOUR_TELEGRAM_CHAT_ID",
        "additionalFields": {
          "appendAttribution": false
        }
      },
      "typeVersion": 1.2
    },
    {
      "id": "62efbada-38a3-4af7-9da2-7845bc77f7d2",
      "name": "Check Existing Attachments",
      "type": "n8n-nodes-base.googleDrive",
      "onError": "continueErrorOutput",
      "position": [
        -720,
        3248
      ],
      "parameters": {
        "filter": {
          "folderId": {
            "__rl": true,
            "mode": "id",
            "value": "YOUR_GOOGLE_DRIVE_FOLDER_ID"
          }
        },
        "options": {},
        "resource": "fileFolder",
        "returnAll": true,
        "queryString": "={{ \n$('AI Email Classifier').item.json.output.metadata.receivedDate.toDateTime().format('yyyy.MM.dd')\n+ \" - \"\n+ $('Email_Trigger').item.json.from.value[0].address \n+ ' - ' \n+ $('Get All Attachments').item.json.fileName.split(\".\")[0] \n+ \".\" + $('Get All Attachments').item.json.fileName.split(\".\")[1]}}"
      },
      "notesInFlow": true,
      "retryOnFail": true,
      "typeVersion": 3,
      "alwaysOutputData": true
    },
    {
      "id": "5cb3e686-2d64-499c-ab44-b944b003ed28",
      "name": "Check if File Exists",
      "type": "n8n-nodes-base.if",
      "position": [
        -560,
        3248
      ],
      "parameters": {
        "options": {},
        "conditions": {
          "options": {
            "version": 2,
            "leftValue": "",
            "caseSensitive": true,
            "typeValidation": "strict"
          },
          "combinator": "and",
          "conditions": [
            {
              "id": "44944380-9ba0-4cf7-abbb-aba711fb0b9a",
              "operator": {
                "type": "object",
                "operation": "notEmpty",
                "singleValue": true
              },
              "leftValue": "={{ $('Check Existing Attachments').item.json }}",
              "rightValue": ""
            }
          ]
        }
      },
      "typeVersion": 2.2
    },
    {
      "id": "caa13ad4-5365-4317-b41a-5616ee1d0229",
      "name": "Merge Attachment Data",
      "type": "n8n-nodes-base.merge",
      "position": [
        -400,
        3424
      ],
      "parameters": {
        "mode": "chooseBranch",
        "useDataOfInput": 2
      },
      "typeVersion": 3
    },
    {
      "id": "1e5c5994-beb9-49e4-bdec-294b402bfb6b",
      "name": "\u2601\ufe0f File Management",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -736,
        3152
      ],
      "parameters": {
        "color": 7,
        "width": 663,
        "height": 453,
        "content": "## \u2601\ufe0f Smart File Management\n\n**Features:**\n- Duplicate detection\n- Organized naming convention\n- Date-based filing\n- Sender identification\n\n**Format:** YYYY.MM.DD - sender@email.com - filename.ext\n\n**Integration:** Google Drive for secure storage\n\n**Double click** to edit. [Guide](https://docs.n8n.io/workflows/sticky-notes/)"
      },
      "typeVersion": 1
    },
    {
      "id": "66d06be7-f7bd-454d-a58a-1259fd3b9adc",
      "name": "\ud83e\udd16 Key Features",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -3408,
        3104
      ],
      "parameters": {
        "color": 6,
        "width": 360,
        "height": 180,
        "content": "## \ud83e\udd16 AI Email Assistant Features\n\n**Capabilities:**\n- Context-aware email responses\n- Automatic categorization & labeling  \n- Draft generation in your voice\n- Urgent email notifications\n- Attachment management\n- Smart inbox organization\n\n**Time Saving:** 90% reduction in email processing time\n\n**Double click** to edit. [Guide](https://docs.n8n.io/workflows/sticky-notes/)"
      },
      "typeVersion": 1
    },
    {
      "id": "df00bd54-36e1-4246-b29c-d4250365f423",
      "name": "Process One by One",
      "type": "n8n-nodes-base.splitInBatches",
      "position": [
        -3120,
        3424
      ],
      "parameters": {
        "options": {}
      },
      "typeVersion": 3
    },
    {
      "id": "b9fdba24-4f13-4e1c-be82-794952ac47ff",
      "name": "Get All Gmail Labels",
      "type": "n8n-nodes-base.gmail",
      "position": [
        -2368,
        3424
      ],
      "parameters": {
        "resource": "label",
        "returnAll": true
      },
      "typeVersion": 2.1
    },
    {
      "id": "53facca0-81ec-4abe-9659-1faed1b6b901",
      "name": "Filter User Labels",
      "type": "n8n-nodes-base.if",
      "position": [
        -2224,
        3424
      ],
      "parameters": {
        "options": {},
        "conditions": {
          "options": {
            "version": 2,
            "leftValue": "",
            "caseSensitive": true,
            "typeValidation": "strict"
          },
          "combinator": "and",
          "conditions": [
            {
              "id": "2ae0a220-4198-41ed-9ee5-78ae7b774ef6",
              "operator": {
                "name": "filter.operator.equals",
                "type": "string",
                "operation": "equals"
              },
              "leftValue": "={{ $('Get All Gmail Labels').item.json.type }}",
              "rightValue": "user"
            }
          ]
        }
      },
      "typeVersion": 2.2
    },
    {
      "id": "d4dd372d-6f65-4ed9-86a1-a0c6cd68f216",
      "name": "Get User Labels",
      "type": "n8n-nodes-base.aggregate",
      "position": [
        -2000,
        3424
      ],
      "parameters": {
        "options": {
          "mergeLists": true
        },
        "fieldsToAggregate": {
          "fieldToAggregate": [
            {
              "fieldToAggregate": "id"
            },
            {
              "fieldToAggregate": "name"
            }
          ]
        }
      },
      "typeVersion": 1
    },
    {
      "id": "ebd400dc-2c39-4758-8112-1cf61dd1f97f",
      "name": "AI Language Model",
      "type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
      "position": [
        -1904,
        3760
      ],
      "parameters": {
        "model": {
          "__rl": true,
          "mode": "list",
          "value": "gpt-4o-mini"
        },
        "options": {}
      },
      "typeVersion": 1.2
    },
    {
      "id": "53e9d481-ab4e-48f1-a893-f10c040e48f2",
      "name": "\ud83d\udd04 Label Sync",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -2384,
        3312
      ],
      "parameters": {
        "color": 7,
        "width": 509,
        "height": 306,
        "content": "## \ud83d\udd04 Dynamic Label Management\n\n**Features:**\n- Auto-syncs with Gmail labels\n- Uses only user-created labels\n- Updates classification categories\n- Maintains label consistency\n\n**Benefits:**\n- Always up-to-date categories\n- No manual label management\n- Flexible classification system\n\n**Double click** to edit. [Guide](https://docs.n8n.io/workflows/sticky-notes/)"
      },
      "typeVersion": 1
    },
    {
      "id": "e17c366f-c3ad-4ed7-a1ca-c860e629cb9c",
      "name": "Get Specific File Types",
      "type": "n8n-nodes-base.function",
      "position": [
        -944,
        2560
      ],
      "parameters": {
        "functionCode": "let results = [];\nconst emailData = $('Email_Trigger').item;\n\nif (emailData.binary) {\n    for (const key of Object.keys(emailData.binary)) {\n        const attachment = emailData.binary[key];\n        const mimeType = attachment.mimeType;\n        \n        // Filter for specific file types (PDF, XML, JPG)\n        if (mimeType === 'application/pdf' || \n            mimeType === 'text/xml' || \n            mimeType === 'application/xml' ||\n            mimeType === 'image/jpeg') {\n            results.push({\n                json: {\n                    fileName: attachment.fileName,\n                    mimeType: attachment.mimeType\n                },\n                binary: {\n                    data: attachment\n                }\n            });\n        }\n    }\n}\n\nreturn results;"
      },
      "typeVersion": 1
    },
    {
      "id": "07615955-7e0c-4c0c-af70-76633de51eb6",
      "name": "Get All Attachments",
      "type": "n8n-nodes-base.function",
      "position": [
        -896,
        3248
      ],
      "parameters": {
        "functionCode": "let results = [];\nconst emailData = $('Email_Trigger').item;\n\nif (emailData.binary) {\n  for (const key of Object.keys(emailData.binary)) {\n    const attachment = emailData.binary[key];\n    results.push({\n      json: {\n        fileName: attachment.fileName,\n        mimeType: attachment.mimeType\n      },\n      binary: {\n        data: attachment\n      }\n    });\n  }\n}\n\nreturn results;"
      },
      "typeVersion": 1
    }
  ],
  "active": false,
  "settings": {
    "executionOrder": "v1"
  },
  "connections": {
    "Email_Trigger": {
      "main": [
        [
          {
            "node": "Process One by One",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Get User Labels": {
      "main": [
        [
          {
            "node": "AI Email Classifier",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "AI Language Model": {
      "ai_languageModel": [
        [
          {
            "node": "AI Email Classifier",
            "type": "ai_languageModel",
            "index": 0
          },
          {
            "node": "Auto-fixing Output Parser",
            "type": "ai_languageModel",
            "index": 0
          },
          {
            "node": "AI Response Generator",
            "type": "ai_languageModel",
            "index": 0
          }
        ]
      ]
    },
    "Mark as Processed": {
      "main": [
        [
          {
            "node": "Process One by One",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Filter User Labels": {
      "main": [
        [
          {
            "node": "Get User Labels",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Process One by One": {
      "main": [
        [],
        [
          {
            "node": "Get Conversation Thread",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "AI Email Classifier": {
      "main": [
        [
          {
            "node": "Smart Action Router",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Aggregate Label IDs": {
      "main": [
        [
          {
            "node": "Mark as Processed",
            "type": "main",
            "index": 0
          },
          {
            "node": "Assign Classification Label",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Get All Attachments": {
      "main": [
        [
          {
            "node": "Check Existing Attachments",
            "type": "main",
            "index": 0
          },
          {
            "node": "Merge Attachment Data",
            "type": "main",
            "index": 1
          }
        ]
      ]
    },
    "Smart Action Router": {
      "main": [
        [
          {
            "node": "AI Response Generator",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "Check for Attachments",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "Send Urgent Alert",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "Aggregate Label IDs",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Check if File Exists": {
      "main": [
        [],
        [
          {
            "node": "Merge Attachment Data",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Get All Gmail Labels": {
      "main": [
        [
          {
            "node": "Filter User Labels",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "AI Response Generator": {
      "main": [
        [
          {
            "node": "Create Draft Response",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Check for Attachments": {
      "main": [
        [
          {
            "node": "Get All Attachments",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Get Latest Message ID": {
      "main": [
        [
          {
            "node": "Get Latest Message Content",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Merge Attachment Data": {
      "main": [
        [
          {
            "node": "Upload to Google Drive",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Get Conversation Thread": {
      "main": [
        [
          {
            "node": "Get Latest Message ID",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Structured Output Parser": {
      "ai_outputParser": [
        [
          {
            "node": "Auto-fixing Output Parser",
            "type": "ai_outputParser",
            "index": 0
          }
        ]
      ]
    },
    "Auto-fixing Output Parser": {
      "ai_outputParser": [
        [
          {
            "node": "AI Email Classifier",
            "type": "ai_outputParser",
            "index": 0
          }
        ]
      ]
    },
    "Check Existing Attachments": {
      "main": [
        [
          {
            "node": "Check if File Exists",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Get Latest Message Content": {
      "main": [
        [
          {
            "node": "Get All Gmail Labels",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}

About this workflow

A sophisticated n8n workflow that transforms your email management with AI-powered classification, automatic responses, and intelligent organization.

Source: https://n8n.io/workflows/7855/ — original creator credit. Request a take-down →

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