A powerful mail merge and mass email system for Gmail™.
Listing updated:September 4, 2023
Works with:
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Overview
A powerful mass email and mail merge system for Gmail™. 

Simple and powerful email marketing inside Gmail™.

*Send email marketing campaigns to thousands of email addresses.

*Mail merge with data from Google Sheets™.

*Personalize mass emails based on name, email address, and any available columns in Google Sheets™.

*Schedule mass emails to be sent later.

*Track opens and clicks.

*Send follow-up emails to people that opened, clicked, or replied to a previous campaign, or to those that did NOT open, click, or reply.

*See all reports right in your Gmail account, under the "GMass Reports" Label.

*Create instant recipient lists based on search results. 

*Send unlimited emails from your Gmail™ account by connecting your GMass account to an external SMTP service like Sendgrid.

*And the killer feature - emails can be sent as replies to the last conversation you had with each recipient.

Note that the GMass Add-on must be paired with the GMass Chrome extension for full functionality. The Add-on allows you to see statistics on sent emails and add people to your "Unsubscribes" list, but the Chrome extension is needed to launch email campaigns: https://chrome.google.com/webstore/detail/gmass-powerful-mail-merge/ehomdgjhgmbidokdgicgmdiedadncbgf

We're always improving GMass. Stay updated with GMass on the web and social media.

Website: http://www.gmass.co
Blog: http://www.gmass.co/blog
Twitter: http://twitter.com/GMassForGmail

The website at www.gmass.co has screenshots and explanations of all features. You won't find a better mass email and mail merge tool for Gmail™ than GMass! 

Any questions? Email our support team at support@gmass.zendesk.com or search our blog for answers!
Additional information
PricingFree of charge with paid features
Privacy policy
Terms of service
GMass for Gmail™ will ask for the permissions shown below. Learn more
GMass for Gmail™ will need access to your Google account
This will allow GMass for Gmail™ to :
View your email messages when the add-on is running
Run as a Gmail add-on
Connect to an external service
See your primary Google Account email address
See your personal info, including any personal info you've made publicly available
Reviews
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Juancho Tupas
January 16, 2024
Easy to use & user friendly compared to other email services I've used. Best thing about it is everything can be done within Gmail and it automatically organizes all emails sent. GMass also syncs with any Google Sheet for contacts. I just had a slight issue where I used an email alias and Gmass didn't tag the response in Google Sheets because the recipient responded directly to the alias email.
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St Alphonsa Cathedral
January 18, 2024
GMass has elevated my email marketing strategy with its user-friendly interface and robust personalization features. The seamless integration with Gmail, coupled with scheduling options and insightful analytics, makes it an indispensable tool for efficient and effective email campaigns. Ajay and his team have developed a really unique product for this market!
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Brittany Dixon
January 15, 2024
As an operations specialist, I highly value efficiency. I currently use 17Hats as my CRM, Scheduler, Proposals, Contracts, Invoices, Payments and direct emailing. However 17Hats does not have email marketing which is a bummer when running email campaigns to find new leads and clients. I came across Gmass and LOVED the ideas because my Gmail is already connected into 17Hats so now MASS Emails will still show up in my CRM under the contact. I just started using Gmass but the ease of setup, ease of use and amazing reports has made it well worth the monthly investment! Definitely try it out if you are a gmail user and need email marketing.
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Roman M
January 17, 2024
Easy and convenient email management plug in. Documentation is readily available - whenever I needed to automate something, I was able to find answers right away. Plugin developer is very active in communicating the value of the plug in, and it helps. What would make the plug in even better? 1. Better communication about sending limits on free tier. I made a mistake and had to resend a small campaign - only to find out then that 50 emails per day is the limit. It was time sensitive so I purchased a subscription. Had I known about the limit from the get go, I might have been more responsible about my first campaign. 2. Availability of one-time charge. In my case, I only needed to go beyond the free tier once. But I was forced to buy a recurring subscription, then of course I forgot to cancel it and got billed for the 2nd month. I feel that the subscription-only model is ethically not ideal, and there should be a way to make one-time purchases for those times when you need to go beyond the free tier. 3. Not sure if this is technically possible, but it would be cool to share just specific worksheets with the plug-in for automation, without giving it access to all your google files. This feels like a security time bomb.
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Naandi Water
December 27, 2023
GMass has surpassed our expectations as an email marketing tool. Its seamless integration with Gmail is a game-changer, allowing us to leverage our existing email account for powerful marketing campaigns with a quick and hassle-free setup. The standout feature of GMass is its user interface—both aesthetically pleasing and highly functional. The well-designed dashboard facilitates easy navigation through various features, ensuring a smooth and efficient user experience. GMass excels at combining powerful functionality with an intuitive and user-friendly interface. What truly sets GMass apart is its unwavering commitment to customer satisfaction. The support team is responsive, knowledgeable, and genuinely invested in our success. Their timely and helpful responses showcase a level of support that is often hard to find in the tech industry.
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A Bigger Better Mortgage
December 23, 2023
Awesome product. I would reccomend it to anyone who want's something that really works. I've tried many and spend lots of money on duds. Also, AJay sends out tutorials and there is email support, but it's so easy you don't really need it. The tuturials show you how to avoid being flaged as spam, etc. Good stuff because you can make a contact list, chose it by lable and add it to the "to" box hit the Gmass button and send. The best thing is that no one can see who is in the group, it only shows as being sent to one person on their end though you may have sent to hundreds. A warning pops up to remind you not to hit the regular send button which will give everyone on the send list your contacts. It sends stats so you can see how many bounced, opens, bad email addresses, etc. And yes, it's free 50 per day but if you need more, it's very economical. Send follow ups and more. There are other great features, but you will have to check them out for yourself. It's a powerful marketing tool with support at a low cost.
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Frank Rubba
December 25, 2023
This is the best email marketing platform! Easy to use and the analytics are great for following up and staying in touch with your list. I highly recommend this platform and it is definitely worth the upgrade!
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Caitlin Cowan
December 15, 2023
Easy to use and integrates seamlessly into Gmail. Helpful popups explain detailed information before sending, too.
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Tim Moyler
January 14, 2024
I was so relieved to find GMass - I didn't know such a thing existed. We needed to email a message, with attachment, to around 500 contacts, without it bouncing or being rejected as spam. When we looked at Mail Chimp, it was too complex for our simple needs. It didn't take long to work out how GMass works, it's so intuitive. Thanks for coming to the rescue guys. We are very grateful here.
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Morteza
December 5, 2023
I like using GMass because it has all the features I need in a very convenient way. It is a mature application with no hidden limitations and bugs. I have tried other cold mail programs only to be disappointed or to find that the price/performance ratio is excellent with GMass. The support is very good even on the standard plan. Highly recommended.
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