Create README.txt

Author: rogers-cyber

38-Email-sender-script/README.txt

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+# Bulk Email Sender with Gmail OAuth
+
+## Features
+- Send bulk emails from a CSV file
+- Supports CC and BCC
+- Gmail OAuth 2.0 (no passwords)
+- FastAPI API endpoint
+- Logging with retries
+
+## Setup
+1. Create a project in Google Cloud Console
+2. Enable Gmail API and download `credentials.json`
+3. Install dependencies:
+    pip install -r requirements.txt
+4. Prepare `recipients.csv` with columns:
+    email, cc, bcc, subject, body
+5. Run the FastAPI app:
+    uvicorn app:app --reload
+
+## API Endpoint
+- POST /send_bulk
+- Body:
+    {
+        "csv_file": "recipients.csv"
+    }
+
+## Logging
+- Check `email_sender.log` for success/failure logs
+- Automatic retries on failure (3 attempts, 5s apart)
+
+## Notes
+- First run will open browser for Gmail OAuth authentication.