Send Cold Emails That Land in Inboxes and Get Replies

Stop getting ignored. GMass helps you personalize outreach, automate follow-ups, and hit the inbox
so you book more meetings and close more deals.

GMass for Cold Email Outreach

Cold outreach should be efficient, scalable, and effective. Here’s how GMass makes it happen:

Get More Emails Into Inboxes,
Not Spam

Landing in spam kills cold outreach. GMass ensures your emails reach inboxes with email verification, Spam Solver, custom tracking links, and inbox rotation, all designed to improve deliverability and keep your messages out of spam folders.

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Scale Your Outreach Without Gmail’s Limits

Send thousands of cold emails daily without restrictions. GMass helps you bypass Gmail’s limits with MultiSend inbox rotation to distribute emails across multiple accounts and third-party SMTP integration for unlimited sending. Choose the best method for your workflow and scale effortlessly.

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Automate Follow-Ups &
Close More Deals

Most prospects don’t reply on the first email. GMass automates follow-ups so you stay top-of-mind without manual effort and stop when you get a response.

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Track Performance & Optimize Outreach

Cold outreach isn’t just about sending, it’s about refining your approach. GMass gives you real-time analytics on opens, clicks, and replies, helping you A/B test different versions and improve results.

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"Perfect Tool for Cold Email Outreach via Gmail!

GMass integrates seamlessly with Gmail, making it incredibly easy to manage cold email campaigns. I particularly appreciated the ability to personalize emails at scale, integrate Google Sheets for contact management, and automate follow-up sequences."

Kyrylo L.

CEO

Send Your First (or Next) Cold 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 Gmail’s familiar interface to draft your email. Add personalization with merge fields, include attachments, and customize your message for each recipient.

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 opens, clicks, replies, and bounces in real time to optimize your campaigns and maximize engagement.

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.

start for free

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 helps sales teams, recruiters, founders, and agencies
send cold emails that get results.

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!

Send Cold Emails That Land in Inboxes and Get Replies

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

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