Mailer123 Tutorial: Mastering OAuth Scopes for Bulk Emails
Welcome to this in-depth tutorial on Mailer123, my Google Workspace Add-on that simplifies sending personalized bulk emails from Google Sheets using Gmail drafts! In this video, recorded at 06:50 AM IST on Friday, July 18, 2025, I break down the OAuth scopes required for Mailer123 to function seamlessly. Whether you're a developer, small business owner, or Google Workspace user, understanding these permissions is key to leveraging this powerful tool.
What You’ll Learn:
OAuth Scopes Explained: Discover why scopes like https://www.googleapis.com/auth/spreadshee..., https://www.googleapis.com/auth/gmail.send, and https://www.googleapis.com/auth/gmail.read... are essential.
Where They’re Used: See how these scopes power the sidebar, read Sheet data, send emails, and pull draft templates—verified by Google on July 13, 2025.
Future Features: Get a sneak peek at https://www.googleapis.com/auth/drive.read... for potential Drive file attachments.
Redundancy Note: Learn about https://www.googleapis.com/auth/script.sen... and why it might be removed.
How Mailer123 Works:
Mailer123 reads your Google Sheet data (e.g., emails, names), customizes emails with Gmail draft templates, and tracks sent statuses—all through an intuitive sidebar. The scopes ensure security and functionality, making your email campaigns efficient and professional.
Why This Matters:
These permissions, including https://www.googleapis.com/auth/script.con... for the UI and https://www.googleapis.com/auth/script.scr... for settings, were carefully selected to enhance your workflow without overreaching into your data. The video walks you through each step, from opening the sidebar to sending emails, with practical examples.
Get Involved:
Subscribe: Hit the subscribe button and ring the bell for more Mailer123 tutorials and Google Workspace tips!
Comment: Have questions about testing Mailer123, tweaking the sidebar, or adding features? Drop them below—I’ll respond!
Follow: Connect with me on [insert social media links] for updates and behind-the-scenes content.
Additional Resources:
Google Workspace Marketplace SDK: https://developers.google.com/workspace/ma...
OAuth Scope Guidelines: https://developers.google.com/identity/pro...
Contact: Reach out at [email protected] for support or feedback.
Timestamps:
0:00 - Introduction
0:21 - What Are OAuth Scopes?
0:51 - Breakdown of Each Scope
2:31 - How Mailer123 Uses Them
4:01 - Closing & Call to Action
Tags:
#Mailer123, #oauth #Scopes, #google #Workspace, #bulk #email #Tutorial, #google #Sheets, #gmail #Drafts, #2025, #workspace #Add-on, #tutorial
About This Video:
This tutorial was created to help you master Mailer123’s functionality, ensuring you understand the permissions behind the scenes. All scopes are verified for security, and the add-on is designed to save you time on email campaigns. Like and share if you find this helpful—let’s grow this community together!
Disclaimer:
This video is for educational purposes. Ensure your use of Mailer123 complies with Google’s policies and Gmail sending limits (e.g., 500 emails/day for free accounts).
Recorded: 06:50 AM IST, Friday, July 18, 2025