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GMass

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1,335 reviews
  • 2 profiles
  • 3 categories
Average star rating
4.7
Serving customers since
2014
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GMass

1,335 reviews

GMass is an email marketing and automation tool that integrates directly with Gmail, transforming it into a powerful platform for sending personalized mass emails and managing campaigns. Designed for marketers, sales teams, and small businesses, GMass simplifies the process of reaching large audiences without leaving the familiar Gmail interface. Key Features and Functionality: - Mail Merge with Google Sheets: Seamlessly connect to Google Sheets to personalize emails using any column from your spreadsheet, eliminating the need for CSV files. - Automated Follow-Up Sequences: Set up automated follow-up emails that continue until a recipient responds, enhancing engagement and response rates. - Email Verification and Testing: Verify email addresses, test links, and identify potential spam triggers before sending, ensuring higher deliverability. - Breaking Gmail’s Sending Limits: Utilize GMass's technology to surpass Gmail's daily sending limits by connecting multiple accounts or using an SMTP relay. - Advanced Tracking and Reporting: Monitor opens, clicks, replies, and bounces in real-time within Gmail, providing valuable insights into campaign performance. - Personalization and Automation: Use dynamic fields to insert personalized details such as names and job titles, and automate campaigns based on recipient behavior. Primary Value and User Solutions: GMass addresses the challenges of conducting effective email marketing campaigns by offering a user-friendly solution within Gmail. It enables users to send personalized mass emails, automate follow-ups, and track campaign performance without the need for external platforms. By integrating with Google Sheets, GMass simplifies contact management and personalization. Its features help users overcome Gmail's sending limitations, improve email deliverability, and enhance engagement rates, making it an invaluable tool for businesses and individuals aiming to optimize their email outreach efforts.

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text.email

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Send an email, get a text instantly. text.email fills the voice left by the cell phone carriers shutting down their email-to-SMS gateways. With distribution lists, two-way messaging, encryption, and reliable and compliant texting, make sure your most important alerts hit your phone where you know you'll see them.

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GMass Reviews

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Star Rating
1151
165
12
2
5
Linda M.
LM
Linda M.
--
09/02/2026
Validated Reviewer
Review source: Organic

Gmass has the best Email Transactional Services

Their Email Validation services and also the SMTP transactional services which help in installing it into software that accepts SMTP services like the Bulk Mailer 9 Pro and the SuperMailer which works efficiently with Gmass
AF
Andrew F.
08/28/2026
Validated Reviewer
Verified Current User
Review source: Organic

Fantastic, Easy-to-Use Product That’s Simple and Effective

Fantastic and easy to use product. Simple and effective.
Verified User
G
Verified User
08/27/2026
Validated Reviewer
Review source: Organic

Elevated Email Outreach with GMass

I like that GMass automatically connects to Google Sheets and adds emails to an outgoing message, which is intuitive and saves me time by removing the step of manually copying and pasting emails from Google Sheets to Gmail. Its ability to automatically read the email and use {} to call a specific column from the sheet is particularly helpful. The initial setup was very easy since it is just a Chrome extension.

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HQ Location:
Chicago, IL

Social

@GMassForGmail

What is GMass?

GMass is an email marketing tool designed to enhance Gmail's functionality by enabling users to send personalized mass emails, track opens and clicks, and automate follow-ups. It integrates seamlessly with Google Sheets, allowing for easy management of email lists and campaigns. GMass is particularly popular among small businesses, marketers, and sales professionals for its user-friendly interface and powerful features that simplify email outreach and engagement. For more information, visit their website at https://www.gmass.co/.

Details

Year Founded
2014
Website
www.gmass.co