Email form

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": "1blBTEfOEjamDB0N",
  "meta": {
    "instanceId": "558d88703fb65b2d0e44613bc35916258b0f0bf983c5d4730c00c424b77ca36a",
    "templateCredsSetupCompleted": true
  },
  "name": "Email form",
  "tags": [],
  "nodes": [
    {
      "id": "0994dde9-bad8-49b8-b164-1f191decf9ff",
      "name": "Email is not valid, do nothing",
      "type": "n8n-nodes-base.noOp",
      "position": [
        940,
        480
      ],
      "parameters": {},
      "typeVersion": 1
    },
    {
      "id": "b27e140e-7758-42d4-bf07-39b17f85fc82",
      "name": "Check if the email is valid",
      "type": "n8n-nodes-base.if",
      "position": [
        620,
        260
      ],
      "parameters": {
        "options": {},
        "conditions": {
          "options": {
            "version": 1,
            "leftValue": "",
            "caseSensitive": true,
            "typeValidation": "strict"
          },
          "combinator": "and",
          "conditions": [
            {
              "id": "54d84c8a-63ee-40ed-8fb2-301fff0194ba",
              "operator": {
                "name": "filter.operator.equals",
                "type": "string",
                "operation": "equals"
              },
              "leftValue": "={{ $json.status }}",
              "rightValue": "valid"
            }
          ]
        }
      },
      "typeVersion": 2
    },
    {
      "id": "a691af9a-f66f-4fd1-ab82-3d3450098d67",
      "name": "Verify email",
      "type": "n8n-nodes-base.hunter",
      "position": [
        360,
        260
      ],
      "parameters": {
        "email": "={{ $json.Email }}",
        "operation": "emailVerifier"
      },
      "credentials": {
        "hunterApi": {
          "id": "wC6eWJWcNeFHvBqV",
          "name": "Hunter account"
        }
      },
      "typeVersion": 1
    },
    {
      "id": "cfe4d91b-209c-49df-8483-141f5e27fba2",
      "name": "Submit form",
      "type": "n8n-nodes-base.formTrigger",
      "position": [
        80,
        260
      ],
      "webhookId": "80be3272-e1bc-47e4-8112-d39488e84f4b",
      "parameters": {
        "options": {},
        "formTitle": "Join my mailing list now",
        "formFields": {
          "values": [
            {
              "fieldLabel": "Email",
              "requiredField": true
            }
          ]
        },
        "formDescription": "10x your productivity with my A.I. tips. I'll cut the B.S. and give you the most practical tips for A.I. automation."
      },
      "typeVersion": 2.2
    },
    {
      "id": "30d816d9-7a91-47b2-8c06-da0b9114f375",
      "name": "Add contact to list",
      "type": "n8n-nodes-base.sendGrid",
      "position": [
        940,
        240
      ],
      "parameters": {
        "email": "={{ $json.Email }}",
        "resource": "contact",
        "additionalFields": {
          "listIdsUi": {
            "listIdValues": {
              "listIds": [
                "11a55438-d4a8-4740-b054-d273359b7dfe"
              ]
            }
          }
        }
      },
      "credentials": {
        "sendGridApi": {
          "id": "AFtBIAiI3x5QS0WL",
          "name": "SendGrid account"
        }
      },
      "typeVersion": 1
    },
    {
      "id": "e80255c8-25b2-48d5-8605-d7702cbf7bc7",
      "name": "Sticky Note1",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        60,
        -100
      ],
      "parameters": {
        "width": 505,
        "height": 180,
        "content": "## Automate Email List Building with n8n and Hunter io

💡 Read the [case study here](https://rumjahn.com/create-email-capture-forms-for-free-using-n8n-and-sendgrid-and-easily-grow-your-subscriber-list/).

📺 Watch the [youtube tutorial here](https://www.youtube.com/watch?v=NgvEHwu19Rs&t=2s)

"
      },
      "typeVersion": 1
    },
    {
      "id": "f989d552-81b9-4ee7-aa28-a006b703280f",
      "name": "Sticky Note",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        300,
        100
      ],
      "parameters": {
        "color": 4,
        "height": 320,
        "content": "## Hunter io

You need to get a Hunter.io account and input the API key. There's 50 free credits per month."
      },
      "typeVersion": 1
    }
  ],
  "active": true,
  "pinData": {},
  "settings": {
    "executionOrder": "v1"
  },
  "versionId": "1df322f8-6d69-4ae7-b094-3f0dec019d3b",
  "connections": {
    "Submit form": {
      "main": [
        [
          {
            "node": "Verify email",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Verify email": {
      "main": [
        [
          {
            "node": "Check if the email is valid",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Check if the email is valid": {
      "main": [
        [
          {
            "node": "Add contact to list",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "Email is not valid, do nothing",
            "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

  • Noop
  • If
  • Hunter
  • Formtrigger
  • Sendgrid

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