Flag Bounced Emails in Google Sheets from Gmail Delivery Error Messages

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Scanning Email Inbox for Delivery Errors Prerequisite: Automate Personalized Email Campaigns with Google Docs, Sheets, and SMTP. How It Works After running your email campaign, some messages may fail to deliver. This workflow scans your email inbox for delivery errors (e.g., bounced messages), flags problematic email addresses in the Google Sheet and ensures future campaigns skip them. How to Use Ensure Prerequisite Workflow: You should have the Email Campaign Workflow configured and r