Summarize emails with A.I. then send to messenger

工作流概述

这是一个包含7个节点的中等工作流,主要用于自动化处理各种任务。

工作流源代码

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{
  "id": "QnVdtKiTf3nbrNkh",
  "meta": {
    "instanceId": "558d88703fb65b2d0e44613bc35916258b0f0bf983c5d4730c00c424b77ca36a",
    "templateCredsSetupCompleted": true
  },
  "name": "Summarize emails with A.I. then send to messenger",
  "tags": [],
  "nodes": [
    {
      "id": "50e12e63-df28-45ac-9208-48cbf5116d09",
      "name": "Read emails (IMAP)",
      "type": "n8n-nodes-base.emailReadImap",
      "position": [
        340,
        260
      ],
      "parameters": {
        "options": {},
        "postProcessAction": "nothing"
      },
      "credentials": {
        "imap": {
          "id": "gXtdakU9M02LBQc3",
          "name": "IMAP account"
        }
      },
      "typeVersion": 2
    },
    {
      "id": "6565350b-2269-44e3-8f36-8797f32d3e09",
      "name": "Send email to A.I. to summarize",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        700,
        260
      ],
      "parameters": {
        "url": "https://openrouter.ai/api/v1/chat/completions",
        "method": "POST",
        "options": {},
        "jsonBody": "={
 \"model\": \"meta-llama/llama-3.1-70b-instruct:free\",
 \"messages\": [
 {
 \"role\": \"user\",
 \"content\": \"I want you to read and summarize all the emails. If it's not rimportant, just give me a short summary with less than 10 words.\n\nHighlight as important if it is, add an emoji to indicate it is urgent:\nFor the relevant content, find any action items and deadlines. Sometimes I need to sign up before a certain date or pay before a certain date, please highlight that in the summary for me.\n\nPut the deadline in BOLD at the top. If the email is not important, keep the summary short to 1 sentence only.\n\nHere's the email content for you to read:\nSender email address: {{ encodeURIComponent($json.from) }}\nSubject: {{ encodeURIComponent($json.subject) }}\n{{ encodeURIComponent($json.textHtml) }}\"
 }
 ]
}",
        "sendBody": true,
        "specifyBody": "json",
        "authentication": "genericCredentialType",
        "genericAuthType": "httpHeaderAuth"
      },
      "credentials": {
        "httpHeaderAuth": {
          "id": "WY7UkF14ksPKq3S8",
          "name": "Header Auth account 2"
        }
      },
      "typeVersion": 4.2,
      "alwaysOutputData": false
    },
    {
      "id": "d04c422a-c000-4e48-82d0-0bf44bcd9fff",
      "name": "Send summarized content to messenger",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        1100,
        260
      ],
      "parameters": {
        "url": "https://api.line.me/v2/bot/message/push",
        "method": "POST",
        "options": {},
        "jsonBody": "={
 \"to\": \"U3ec262c49811f30cdc2d2f2b0a0df99a\",
 \"messages\": [
 {
 \"type\": \"text\",
 \"text\": \"{{ $json.choices[0].message.content.replace(/\n/g, \"\\n\") }}\"
 }
 ]
}


 ",
        "sendBody": true,
        "specifyBody": "json",
        "authentication": "genericCredentialType",
        "genericAuthType": "httpHeaderAuth"
      },
      "credentials": {
        "httpHeaderAuth": {
          "id": "SzcKjO9Nn9vZPL2H",
          "name": "Header Auth account 5"
        }
      },
      "typeVersion": 4.2
    },
    {
      "id": "57a1219c-4f40-407c-855b-86c4c7c468bb",
      "name": "Sticky Note",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        180,
        0
      ],
      "parameters": {
        "width": 361,
        "height": 90,
        "content": "## Summarize emails with A.I.
You can find out more about the [use case](https://rumjahn.com/how-a-i-saved-my-kids-school-life-and-my-marriage/)"
      },
      "typeVersion": 1
    },
    {
      "id": "17686264-56ac-419e-a32b-dc5c75f15f1f",
      "name": "Sticky Note1",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        283,
        141
      ],
      "parameters": {
        "color": 5,
        "width": 229,
        "height": 280,
        "content": "Find your email server's IMAP Settings. 
- Link for [gmail](https://www.getmailspring.com/setup/access-gmail-via-imap-smtp)"
      },
      "typeVersion": 1
    },
    {
      "id": "1862abd6-7dca-4c66-90d6-110d4fcf4d99",
      "name": "Sticky Note2",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        580,
        0
      ],
      "parameters": {
        "color": 6,
        "width": 365,
        "height": 442,
        "content": "For the A.I. you can use Openrouter.ai. 
- Set up a free account
- The A.I. model selected is FREE to use.
## Credentials
- Use header auth
- Username: Authorization
- Password: Bearer {insert your API key}.
- The password is \"Bearer\" space plus your API key."
      },
      "typeVersion": 1
    },
    {
      "id": "c4a3a76f-539d-4bbf-8f95-d7aaebf39a55",
      "name": "Sticky Note3",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        1000,
        0
      ],
      "parameters": {
        "color": 4,
        "width": 307,
        "height": 439,
        "content": "Don't use the official Line node. It's outdated.
## Credentials
- Use header auth
- Username: Authorization
- Password: Bearer {channel access token}

You can find your channel access token at the [Line API console](https://developers.line.biz/console/). Go to Messaging API and scroll to the bottom."
      },
      "typeVersion": 1
    }
  ],
  "active": false,
  "pinData": {},
  "settings": {
    "executionOrder": "v1"
  },
  "versionId": "81216e6a-2bd8-4215-8a96-376ee520469d",
  "connections": {
    "Read emails (IMAP)": {
      "main": [
        [
          {
            "node": "Send email to A.I. to summarize",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Send email to A.I. to summarize": {
      "main": [
        [
          {
            "node": "Send summarized content to messenger",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}

功能特点

  • 自动检测新邮件
  • AI智能内容分析
  • 自定义分类规则
  • 批量处理能力
  • 详细的处理日志

技术分析

节点类型及作用

  • Emailreadimap
  • Httprequest
  • Stickynote

复杂度评估

配置难度:
★★★☆☆
维护难度:
★★☆☆☆
扩展性:
★★★★☆

实施指南

前置条件

  • 有效的Gmail账户
  • n8n平台访问权限
  • Google API凭证
  • AI分类服务订阅

配置步骤

  1. 在n8n中导入工作流JSON文件
  2. 配置Gmail节点的认证信息
  3. 设置AI分类器的API密钥
  4. 自定义分类规则和标签映射
  5. 测试工作流执行
  6. 配置定时触发器(可选)

关键参数

参数名称 默认值 说明
maxEmails 50 单次处理的最大邮件数量
confidenceThreshold 0.8 分类置信度阈值
autoLabel true 是否自动添加标签

最佳实践

优化建议

  • 定期更新AI分类模型以提高准确性
  • 根据邮件量调整处理批次大小
  • 设置合理的分类置信度阈值
  • 定期清理过期的分类规则

安全注意事项

  • 妥善保管API密钥和认证信息
  • 限制工作流的访问权限
  • 定期审查处理日志
  • 启用双因素认证保护Gmail账户

性能优化

  • 使用增量处理减少重复工作
  • 缓存频繁访问的数据
  • 并行处理多个邮件分类任务
  • 监控系统资源使用情况

故障排除

常见问题

邮件未被正确分类

检查AI分类器的置信度阈值设置,适当降低阈值或更新训练数据。

Gmail认证失败

确认Google API凭证有效且具有正确的权限范围,重新进行OAuth授权。

调试技巧

  • 启用详细日志记录查看每个步骤的执行情况
  • 使用测试邮件验证分类逻辑
  • 检查网络连接和API服务状态
  • 逐步执行工作流定位问题节点

错误处理

工作流包含以下错误处理机制:

  • 网络超时自动重试(最多3次)
  • API错误记录和告警
  • 处理失败邮件的隔离机制
  • 异常情况下的回滚操作