Automate Email Bounce & Invalid Detection with Gmail, Google Sheets & Slack — n8n ワークフロー

複雑度 トリガー12個のノード🤗 Support作成者:Rahul Joshi

概要

Description This workflow automatically detects bounced or invalid email addresses from your Gmail inbox and updates their status in Google Sheets. It fetches bounce notifications, extracts failed email addresses, and matches them against your contact list to update each record’s status as “Not Found” (bounced) or “Not Sent” (no bounce). Additionally, it runs a daily scheduled summary that sends bounce statistics to Slack, helping marketing or sales teams maintain clean, up-to-date mailing lists

使用ノード

Google SheetsSlackGmailCode

ワークフロープレビュー

🎯 MAIN WORKFLOW - Email Bounce Detection
Purpose: Detects bounced emails from Gmail and updates
Flow:
1. Manually trigger or schedule to run
2. Fetch bounce notifications fr
📊 DAILY REPORTING WORKFLOW
Purpose: Sends daily summary to Slack at 7 PM
Flow:
1. Cron trigger fires daily at 19:00 (7 PM)
2. Read all data from Google Sheet
3. Calculate statistics:
🚀 START HERE
Two Ways to Run:
1. Manual: Click "Execute workflow" button for testing
2. Automatic: Set up a schedule trigger (replace manual
Note: This triggers the mai
📬 FETCH BOUNCES
What it does:
Retrieves ALL bounce notification emails from Gmail
Filter:
Output:
🔢 LIMIT PROCESSING
What it does:
Sorts bounces by date and keeps only the 5 newest
Why:
- Prevents overwhelming the workflow
- Focuses on recent bounces
🔍 EXTRACT EMAILS
What it does:
Parses bounce message snippets to extract failed email
Regex Pattern:
`wasn't delivered to [email]`
Output Fields:
📋 GET CONTACTS
What it does:
Reads ALL rows from Google Sheet
Sheet: Fraud Email
Tab: Sheet1
Expected Columns:
🔗 MERGE DATA
What it does:
Combines two data streams:
1. Bounced email addresses
2. All contacts from sheet
Result:
✅ UPDATE STATUS
What it does:
Matches emails and sets status:
- "Not Found" if email appears in bounce list
- "Not Sent" if email NOT in bounce list
Also Updates:
💾 SAVE TO SHEET
What it does:
Writes updated status back to Google Sheet
Update Method:
- Match on: Name column
- Update: Status & Last Updated columns
⏰ DAILY SCHEDULE
What it does:
Automatically triggers daily report
Schedule:
Every day at 19:00 (7 PM)
Triggers: Daily summary workflow to send Slack notifica
📖 READ SHEET
What it does:
Fetches current data from sheet for reporting
Reads:
All rows with current status values
Purpose:
🧮 CALCULATE STATS
What it does:
Counts contacts by status:
- Invalid emails: Count of "Not Found" status
- No activity: Count of "Not Sent" status
Output:
💬 SEND TO SLACK
What it does:
Posts formatted summary to Slack
Channel: #email-cleanup
Message Includes:
- 📧 Invalid email count
W
When clicking ‘Execute w…
P
Parse Bounced Email Addr…
Fetch All Email Contacts
Write Status Back to Sheet
D
Daily 7PM Report Trigger
Read Updated Sheet Data
Send Slack Daily Summary
Fetch Bounce Notifications
Get Latest 5 Bounces
C
Combine Bounce & Contact…
Match & Update Contact S…
Calculate Summary Statis…
12 nodes11 edges

仕組み

  1. 1

    トリガー

    このワークフローは トリガー トリガーで開始します。

  2. 2

    処理

    データは 12 個のノードを流れます, connecting code, cron, function。

  3. 3

    出力

    ワークフローは自動化を完了し、設定された宛先に結果を配信します。

ノード詳細 (12)

GO

Google Sheets

googleSheets

#1
SL

Slack

slack

#2
GM

Gmail

gmail

#3
CO

Code

code

#4

このワークフローのインポート方法

  1. 1右側の JSONをダウンロード ボタンをクリックしてワークフローファイルを保存します。
  2. 2n8nインスタンスを開き、ワークフロー → 新規 → ファイルからインポート に進みます。
  3. 3ダウンロードした automate-email-bounce-invalid-detection-with-gmail-google-sheets-slack ファイルを選択し、インポートをクリックします。
  4. 4各サービスノードの 認証情報(APIキー、OAuthなど)を設定します。
  5. 5ワークフローをテスト をクリックして動作確認し、有効化します。

またはn8nの JSONからインポート に直接貼り付け:

{ "name": "Automate Email Bounce & Invalid Detection with Gmail, Google Sheets & Slack", "nodes": [...], ...}

インテグレーション

codecronfunctiongmailgooglesheetsmanualtriggermergeslack

このワークフローを取得

ワンクリックでダウンロード&インポート

JSONをダウンロードn8n.ioで見る
ノード12
複雑度medium
トリガーtrigger
カテゴリSupport

作成者

Rahul Joshi

Rahul Joshi

@rahul08

タグ

codecronfunctiongmailgooglesheetsmanualtriggermergeslack

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