GMassMailer - Email Campaign Manager

GMassMailer is a powerful Gmail extension designed to automate and streamline your email campaigns directly from your browser. Easily upload contact lists, personalize messages, schedule delivery, and track campaign performance—all within Gmail.

Key Features:

1. Bulk Email Sending: Upload a CSV file containing your contacts (First Name, Last Name, Email, Subject, Body) and send personalized emails in bulk.

2. Personalization: Automatically insert each recipient’s name and other custom fields for tailored messages.

3. Scheduling & Rate Limiting: Set custom send intervals (from 1 to 1440 minutes) and daily sending limits (up to 1,000 emails/day) to stay within Gmail's guidelines.

4. Automatic Authentication: Securely connects to your Gmail account and refreshes authentication tokens automatically when needed.