Turn Gmail Into a Powerful
Email Marketing Platform

Stop overpaying for email platforms. Send, automate, and track campaigns right inside Gmail with better deliverability,
unlimited sending, and no extra tools required.

GMass for Email Marketing

Email marketing should be simple, scalable, and effective. GMass eliminates complexity and
gives you the power to send high-converting campaigns without switching platforms.

Send Beautiful Emails Without a Drag-and-Drop Builder

GMass works inside Gmail, but that doesn’t mean you’re stuck with plain text. Import HTML templates, embed images, and design branded emails while keeping Gmail’s simplicity and deliverability advantages.

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Get More Emails Into Inboxes,
Not Spam

Your emails deserve to be seen. Leverage Gmail’s trusted servers and use GMass’s Spam Solver to fix deliverability issues before you hit send so more emails get opened.

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Scale Your Email Marketing Without Paying Per Contact

Most platforms charge based on your list size, but GMass lets you send unlimited campaigns without hidden costs. No need to delete contacts to stay under a pricing tier.

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Optimize Your Emails With A/B Testing

Stop guessing what works. GMass lets you test subject lines, email content, CTA buttons, and more right inside Gmail. Run experiments on a portion of your list, then automatically send the best-performing version to the rest of your audience for higher engagement and conversions.

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"GMass is a powerful email marketing tool that integrates seamlessly with Gmail, making it incredibly convenient for businesses, marketers, and individuals looking to manage large-scale email campaigns. One of its standout features is the ability to personalize mass emails effortlessly, thanks to its robust mail merge functionality. The tool is user-friendly, and setting up campaigns is straightforward, even for beginners."

Kat F.

CEO

Send Your First (or Next) Email Campaign in Minutes

GMass makes it quick and easy to go from setup to sending in just five steps:

Install GMass

GMASS powerfull

Import or Create Your Email List

Choose a Google Sheet

Write Your Email

Boost in MRR in 3 Months

Choose Campaign Settings

Spam Solver

Send and Track Results

GMASS Click

Install GMass

GMASS powerfull

Connect or Create Your Email List

Choose a Google Sheet

Write and Personalize Your Email

Boost in MRR in 3 Months

Choose Campaign Settings & Click Send

Spam Solver

Track and Analyze Results

GMASS Click

Install GMass

Install GMass from the Chrome Web Store and connect it to your Gmail account in seconds.

Connect or Create Your Email List

Link a Google Sheet, use an existing contact list, or enter emails directly in Gmail. No need for CSV uploads or manual imports.

Write and Personalize Your Email

Use HTML templates, Gmail’s formatting, and dynamic fields to create customized messages that drive engagement.

Choose Campaign Settings & Click Send

Set schedules, add follow-ups, or run a deliverability test before sending. Then, click the GMass button to launch your campaign.

Track and Analyze Results

Monitor open rates, clicks, and engagement in real-time to improve future campaigns.

Scale Your Campaigns Without Limits

Send thousands of emails effortlessly. GMass works inside Gmail and integrates with SMTP to bypass Gmail’s sending caps for high-volume outreach.

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Deliver Emails That Land in Inboxes

Leverage GMass’s Spam Solver to test and tweak your emails, ensuring maximum deliverability. Stop guessing and ensure your emails hit inboxes, not spam folders.

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Boost Engagement with Automated Follow-Ups

Set up personalized follow-ups that automatically stop when your recipient responds. Save time while increasing reply rates with GMass’s intuitive follow-up system.

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Track and Analyze Your Results

Know exactly how your campaigns are performing with real-time analytics for opens, clicks, replies, and bounces — all within Gmail.

start for free

Scale Your Campaigns Without Limits

Install Gmass

Install GMass from the Chrome Web Store and connect it to your Gmail account in seconds.

Deliver Emails That Land in Inboxes

Import or Create Your Email List

Connect a Google Sheet, import a list, or type emails directly into Gmail.

Boost Engagement with Automated Follow-Ups

Write Your Email

Draft your email using Gmail’s familiar interface. Personalize it with dynamic fields easily.

Track and Analyze Your Results

Choose Campaign Settings

Schedule your emails, add automated follow-ups, or test for spam placement.

Track and Analyze Your Results

Send and Track Results

Click the GMass button to send. Track opens, clicks, and replies in real time — all inside Gmail

Send Your First (or Next) Email Campaign in Just 5 Minutes

GMass makes it quick and easy to go from setup to sending — all within Gmail. Here’s how it works in 5 simple steps.

Install GMass

Install GMass from the Chrome Web Store and connect it to your Gmail account in seconds.

Import or Create Your Email List

Connect a Google Sheet, import a list, or type emails directly into Gmail.

Write Your Email

Draft your email using Gmail’s familiar interface. Personalize it with dynamic fields easily.

Choose Campaign Settings

Schedule your emails, add automated follow-ups, or test for spam placement.

Send and Track Results

Click the GMass button to send. Track opens, clicks, and replies in real time — all inside Gmail.

Don’t Just Take Our Word for It

Trusted by 350,000+ users worldwide, GMass is the top choice for email marketing, cold outreach, and mail merge. See what our users have to say:

Office Davian Coaches

Simple set up and love the 'how to' videos. makes life that much easier to reach clients and wish them a Happy Christmas!

Isha Niraj

I have been using Gmass since last few years and it made my job really easy. Being a marketer it helps me alot to promote my product without wasting time on sending it one by one to each clients. I recommend this to everybody.

Daniel Greenberg

This is one of the best tools i have ever used i cannot recommend it enough.

Maria Correa

Absolutely useful! I was having issues connecting the spreadsheets, but the videos helped me so much.

Jonathan Burstein

I've been using GMass for the past couple of weeks and it has been great! Easy integrations and good deliverability.

heidi anthbot

I've been using GMass for over 5 years, starting as a recipient. It was free at first, but now it's paid. While I'm exploring alternatives, GMass remains my top choice for my new job.

Indira Fellowship

GMass has been a game-changer for our email outreach! Its seamless integration with Gmail and powerful automation features have saved us hours of manual work while delivering exceptional results.

OXYZEN WEALTH

Best tool that kept me occupied with work

Avi W

I've tried other versions of mail messenger. GMass is by far the most efficient and has the most capability to customize campaigns and many added features which I am still learning more about all of the time.

Most importantly, their customer service is great. Real people with real answers, quickly and efficiently, directly addressing my questions or concerns.

Quanice Floyd

It's easy to use and helps me get out emails extremely fast! This is godsend for someone who has to send thousands of emails a week!

Alexa T

Absolute gem of a tool for Marketing.

Its combination of powerful features and ease of integration makes it an excellent choice for marketers looking to enhance their outreach effort. The tracking is effortless and integration is very very easy for DIY.  Solid tool Team GMass!

Turn Gmail Into a Powerful Email Marketing Platform

Send Your First (or Next) Email Campaign in Just 5 Minutes

Join 350,000+ Marketers, Businesses, and Teams Using GMass for Email Marketing.

Turn Gmail Into a Powerful
Email Marketing Platform