Send Emails from Obsidian

工作流概述

这是一个包含19个节点的复杂工作流,主要用于自动化处理各种任务。

工作流源代码

下载
{
  "id": "DNqCvzBvS7GAFWm4",
  "meta": {
    "instanceId": "d47f3738b860eed937a1b18d7345fa2c65cf4b4957554e29477cb064a7039870",
    "templateCredsSetupCompleted": true
  },
  "name": "Send Emails from Obsidian",
  "tags": [],
  "nodes": [
    {
      "id": "9bd809d6-c270-4429-945d-1e519384acae",
      "name": "Sticky Note",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -320,
        20
      ],
      "parameters": {
        "width": 395.06030313757196,
        "height": 388.5681601162638,
        "content": "## Obsidian to Email Overview

This workflow allows you to send your Obsidian notes (including attachments) via email, with YAML metadata for customization.

### Key Features:
- Trigger email sending through [Obsidian's Post Webhook plugin](https://github.com/Masterb1234/obsidian-post-webhook/).
- Parse YAML frontmatter for email metadata like recipients, subject, and more.
- Automatic handling of attachments (images/files) via base64 encoding.
- Append Webhook response automatically to the bottom of your note in Obsidian"
      },
      "typeVersion": 1
    },
    {
      "id": "bc2376ea-31db-43dc-84c4-7933bc7a96f8",
      "name": "Sticky Note1",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -320,
        439
      ],
      "parameters": {
        "color": 3,
        "width": 398.9156829431131,
        "height": 447.41755555994735,
        "content": "## YAML Frontmatter Example

Use YAML frontmatter in your Obsidian notes to define key email details such as recipients, subject, and more.

### Example YAML:
```yaml
---
to: \"recipient@example.com\"
cc: \"cc@example.com\"
bcc: \"bcc@example.com\"
subject: \"Your Obsidian Note\"
sender-name: \"Your Name\"
send-replies-to: \"replies@example.com\"
---
Note content goes here...
"
      },
      "typeVersion": 1
    },
    {
      "id": "1e439841-cc53-4913-b23b-040746bab5ec",
      "name": "Check if attachments exist",
      "type": "n8n-nodes-base.if",
      "position": [
        340,
        380
      ],
      "parameters": {
        "options": {},
        "conditions": {
          "options": {
            "version": 2,
            "leftValue": "",
            "caseSensitive": true,
            "typeValidation": "strict"
          },
          "combinator": "and",
          "conditions": [
            {
              "id": "3d870306-d912-4582-960d-f031538a5045",
              "operator": {
                "type": "array",
                "operation": "notEmpty",
                "singleValue": true
              },
              "leftValue": "={{ $json.body.attachments }}",
              "rightValue": ""
            }
          ]
        }
      },
      "typeVersion": 2.2
    },
    {
      "id": "39cf3ab8-47be-4153-afb8-a1a68c7c04f6",
      "name": "Separate attachment data",
      "type": "n8n-nodes-base.splitOut",
      "position": [
        600,
        220
      ],
      "parameters": {
        "options": {},
        "fieldToSplitOut": "body.attachments"
      },
      "typeVersion": 1
    },
    {
      "id": "f4b75a54-2cd8-4f6c-afd8-486fea552f00",
      "name": "Sticky Note3",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        540,
        20
      ],
      "parameters": {
        "color": 4,
        "width": 493.7005132824585,
        "height": 874.8910456745886,
        "content": "## Attachment Handling

The plugin automatically handles attachments in your Obsidian notes.

This workflow automates the processing of attachments by converting each attachment into a binary format.
"
      },
      "typeVersion": 1
    },
    {
      "id": "b5df08f3-c0a1-429a-a003-24c77fd00461",
      "name": "Process Each Attachment",
      "type": "n8n-nodes-base.splitInBatches",
      "position": [
        600,
        480
      ],
      "parameters": {
        "options": {}
      },
      "typeVersion": 3
    },
    {
      "id": "220f49b2-9cf8-4395-ae8e-4167ac452954",
      "name": "Convert Attachment to File",
      "type": "n8n-nodes-base.convertToFile",
      "position": [
        900,
        580
      ],
      "parameters": {
        "options": {
          "fileName": "={{ $json.name }}"
        },
        "operation": "toBinary",
        "sourceProperty": "data"
      },
      "typeVersion": 1.1
    },
    {
      "id": "7e5c643f-4545-47b1-91cb-c306900f7842",
      "name": "Prepare Attachments for Email",
      "type": "n8n-nodes-base.aggregate",
      "position": [
        900,
        400
      ],
      "parameters": {
        "options": {
          "includeBinaries": true
        },
        "fieldsToAggregate": {
          "fieldToAggregate": [
            {
              "fieldToAggregate": "data"
            }
          ]
        }
      },
      "typeVersion": 1
    },
    {
      "id": "4fc9dffb-ad6b-4e7a-a814-3bb63189e4e7",
      "name": "Email With Attachments",
      "type": "n8n-nodes-base.gmail",
      "position": [
        1100,
        480
      ],
      "webhookId": "479fab78-5e9c-4dc9-ac36-fb656222cae7",
      "parameters": {
        "sendTo": "={{ Array.isArray($('Webhook').item.json.body.to) ? $('Webhook').item.json.body.to.join('; ') : $('Webhook').item.json.body.to }}",
        "message": "={{ $('Webhook').item.json.body.content }}",
        "options": {
          "ccList": "={{ $('Webhook').item.json.body.cc ?? '' }}",
          "bccList": "={{ $('Webhook').item.json.body.bcc ?? '' }}",
          "replyTo": "={{ $('Webhook').item.json.body['send-replies-to'] ?? '' }}",
          "senderName": "={{ $('Webhook').item.json.body['sender-name'] ?? '' }}",
          "attachmentsUi": {
            "attachmentsBinary": [
              {
                "property": "={{ Object.keys($binary).join(',') }}"
              }
            ]
          },
          "appendAttribution": false
        },
        "subject": "={{ $('Webhook').item.json.body.subject }}",
        "emailType": "text"
      },
      "credentials": {
        "gmailOAuth2": {
          "id": "ZrIpZzOgpMHYvvVQ",
          "name": "Gmail account"
        }
      },
      "typeVersion": 2.1
    },
    {
      "id": "8457e27f-449d-43eb-baa8-cd2dedbd27c3",
      "name": "Email Without Attachments",
      "type": "n8n-nodes-base.gmail",
      "position": [
        1100,
        720
      ],
      "webhookId": "479fab78-5e9c-4dc9-ac36-fb656222cae7",
      "parameters": {
        "sendTo": "={{ $json.body.to }}",
        "message": "={{ $json.body.content }}",
        "options": {
          "ccList": "={{ $json.body?.cc ?? '' }}",
          "bccList": "={{ $json.body?.bcc ?? '' }}",
          "replyTo": "={{ $json.body?.send-replies-to ?? '' }}",
          "senderName": "={{ $json.body?.sender-name ?? '' }}"
        },
        "subject": "={{ $json.body.subject }}",
        "emailType": "text"
      },
      "credentials": {
        "gmailOAuth2": {
          "id": "ZrIpZzOgpMHYvvVQ",
          "name": "Gmail account"
        }
      },
      "typeVersion": 2.1
    },
    {
      "id": "647de484-8a8f-479b-844c-69669d783a66",
      "name": "Sticky Note2",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        104,
        20
      ],
      "parameters": {
        "color": 6,
        "width": 410.45568358442864,
        "height": 866.9256684369553,
        "content": "## Obsidian Configuration

Install the [Obsidian Post Webhook plugin](https://github.com/Masterb1234/obsidian-post-webhook/).

### How to set-up webhook connection:
1. Set your webhook URL in the plugin settings.
2. Use the built-in testing functionality to ensure your webhook is set up correctly.
3. Open any note in Obsidian.
4. Use the command palette (`Ctrl/Cmd + P`) to search for \"Send to Webhook\".
5. Once sent, this workflow begins."
      },
      "typeVersion": 1
    },
    {
      "id": "97f0c5dc-e8c8-4b98-8b49-baafe41dad60",
      "name": "Sticky Note4",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        1260,
        180
      ],
      "parameters": {
        "color": 5,
        "height": 264.2421600929918,
        "content": "![logo](https://upload.wikimedia.org/wikipedia/commons/thumb/1/10/2023_Obsidian_logo.svg/512px-2023_Obsidian_logo.svg.png)"
      },
      "typeVersion": 1
    },
    {
      "id": "5eeec7cd-0bef-4bc2-a2ba-fd6f88300e04",
      "name": "Check if it is a test",
      "type": "n8n-nodes-base.if",
      "position": [
        160,
        700
      ],
      "parameters": {
        "options": {},
        "conditions": {
          "options": {
            "version": 2,
            "leftValue": "",
            "caseSensitive": true,
            "typeValidation": "strict"
          },
          "combinator": "and",
          "conditions": [
            {
              "id": "f9864a1c-3188-4640-82bd-2cddc8798b0f",
              "operator": {
                "type": "boolean",
                "operation": "true",
                "singleValue": true
              },
              "leftValue": "={{ $json.body.test }}",
              "rightValue": "true"
            }
          ]
        }
      },
      "typeVersion": 2.2
    },
    {
      "id": "36bce77b-6ef1-4a5a-898b-80a8c935a811",
      "name": "Sticky Note5",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        1060,
        27.003515763841165
      ],
      "parameters": {
        "color": 5,
        "width": 457.22695080436733,
        "height": 863.6667893577376,
        "content": "## Send Email and Respond

After the email is sent, the workflow confirms the email's status and sends a response back to Obsidian."
      },
      "typeVersion": 1
    },
    {
      "id": "c11f11a4-7e45-46f9-8450-628b9b73de64",
      "name": "Respond to Obsidian",
      "type": "n8n-nodes-base.respondToWebhook",
      "position": [
        1400,
        600
      ],
      "parameters": {
        "options": {},
        "respondWith": "text",
        "responseBody": "=E-mail sent on  {{ new Date($json.currentDate).toLocaleString('en-GB', { day: '2-digit', month: 'long', year: 'numeric', hour: '2-digit', minute: '2-digit', hour12: false }).replace(':', 'h') }}
"
      },
      "typeVersion": 1.1
    },
    {
      "id": "fc3b3aa0-a90b-4e1e-a491-fb93d50494ec",
      "name": "Fix Base64 string",
      "type": "n8n-nodes-base.set",
      "position": [
        760,
        220
      ],
      "parameters": {
        "options": {},
        "assignments": {
          "assignments": [
            {
              "id": "b72a1b54-978d-408c-876a-d3e103b1f667",
              "name": "data",
              "type": "string",
              "value": "={{ $json.data.replace(/^data:.*?,/, '') }}"
            }
          ]
        },
        "includeOtherFields": true
      },
      "typeVersion": 3.4
    },
    {
      "id": "f3c5d9d2-7c76-48f4-8dd6-df665bd32ec1",
      "name": "Test Succesfull",
      "type": "n8n-nodes-base.respondToWebhook",
      "position": [
        360,
        620
      ],
      "parameters": {
        "options": {},
        "respondWith": "text",
        "responseBody": "=Test succesfull
"
      },
      "typeVersion": 1.1
    },
    {
      "id": "e7ac7407-f2fc-4cdb-bd18-97f746335103",
      "name": "Get date",
      "type": "n8n-nodes-base.dateTime",
      "position": [
        1260,
        600
      ],
      "parameters": {
        "options": {}
      },
      "typeVersion": 2
    },
    {
      "id": "4be431e2-e21b-48bd-8425-eac17e3174c8",
      "name": "Webhook",
      "type": "n8n-nodes-base.webhook",
      "position": [
        140,
        380
      ],
      "webhookId": "e634d721-48b0-4985-8a57-62ca4c7b3cfb",
      "parameters": {
        "path": "e634d721-48b0-4985-8a57-62ca4c7b3cfb",
        "options": {
          "allowedOrigins": "*"
        },
        "httpMethod": "POST",
        "responseMode": "responseNode"
      },
      "typeVersion": 2
    }
  ],
  "active": true,
  "pinData": {},
  "settings": {
    "executionOrder": "v1"
  },
  "versionId": "20900eaa-66cf-4e40-9cdf-fa224b991e86",
  "connections": {
    "Webhook": {
      "main": [
        [
          {
            "node": "Check if attachments exist",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Get date": {
      "main": [
        [
          {
            "node": "Respond to Obsidian",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Fix Base64 string": {
      "main": [
        [
          {
            "node": "Process Each Attachment",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Check if it is a test": {
      "main": [
        [
          {
            "node": "Test Succesfull",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "Email Without Attachments",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Email With Attachments": {
      "main": [
        [
          {
            "node": "Get date",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Process Each Attachment": {
      "main": [
        [
          {
            "node": "Prepare Attachments for Email",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "Convert Attachment to File",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Separate attachment data": {
      "main": [
        [
          {
            "node": "Fix Base64 string",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Email Without Attachments": {
      "main": [
        [
          {
            "node": "Get date",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Check if attachments exist": {
      "main": [
        [
          {
            "node": "Separate attachment data",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "Check if it is a test",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Convert Attachment to File": {
      "main": [
        [
          {
            "node": "Process Each Attachment",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Prepare Attachments for Email": {
      "main": [
        [
          {
            "node": "Email With Attachments",
            "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

  • Stickynote
  • If
  • Splitout
  • Splitinbatches
  • Converttofile

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