MailStack

An email automation tool using Google Apps Script for personalized bulk emails with CSV integration.

PortfolioMailStack

Project Overview

01 — Description

MailStack revolutionizes email marketing by providing a lightweight, cost-effective solution for personalized bulk email campaigns. Built on Google Apps Script, this powerful tool eliminates the need for expensive third-party email services while maintaining professional deliverability and personalization capabilities.

The platform simplifies the entire email marketing workflow, from data preparation to campaign execution. Users can upload CSV files containing contact information and template variables, customize email templates with dynamic content, and execute targeted campaigns with built-in throttling to maintain sender reputation.

MailStack is designed for small to mid-sized businesses that need reliable email automation without the complexity and cost of enterprise solutions. The tool integrates seamlessly with Google Workspace, leveraging existing Gmail infrastructure for optimal deliverability and compliance with email best practices.

Key Outcomes

02 — Results & Features

Ensuring reliable email delivery while staying within Google's sending limits was our primary challenge. We implemented intelligent throttling algorithms and batch processing techniques that optimize sending rates while maintaining high deliverability rates and avoiding spam filters.
  • CSV-based personalization
  • Bulk sending with throttling
  • Template variables
  • Google Workspace integration
  • Delivery tracking
  • Template management
  • Contact list management
  • Campaign scheduling
  • Delivery analytics
  • Compliance features