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Gmail Mail Merge

GMass is one of, if not the, industry-leading Gmail mail merge solutions. With GMass, you can send personalized emails at scale from right inside Gmail with powerful (yet easy-to-use) mail merge features.

Here on the Gmail mail merge archives page, you can read the articles our team has written about sending your merge emails in Gmail.

We're covering lots of different merge features, including personalized attachments, list filtering, merge previewing and a whole lot more.

You might also be interested in our epic mail merge for Gmail guide. It covers the different techniques for mail merging with Gmail, top strategies, software options and how to get started fast.
Mailtrack Mail Merge vs GMass Mail Merge

June 28, 2022

Mailtrack Mail Merge vs. GMass: Who’s Best for Sending Campaigns?

Mailtrack is a popular open tracking tool for Gmail that also offers some basic mail merge features. How does it compare to GMass for sending campaigns?

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We tested Gmail multisend

June 10, 2022

We Tested Gmail Multi-Send (Google’s Built-in Mail Merge)

Gmail multi-send is Google's first crack at native mail merge (although without personalization). We tried it out to see what it can do.

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Personalized email attachments

May 26, 2020

How to send multiple emails with different attachments in Gmail

Sometimes you need to send a mass email, where each email has a unique personalized attachment. Here's how you can do that from right inside Gmail.

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August 3, 2017

How using Gmail’s “Send mail as” settings affects email deliverability

In Gmail you can use the "Send mail as" settings, but this can impact your email deliverability if sent through external SMTP servers.

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June 15, 2017

You can now send huge 35 MB Gmail mail merge campaigns

We've re-engineered how GMass connects to Gmail to make it so that you can send mail merge campaigns that are a whopping 35 MegaBytes in size.

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May 11, 2017

Gmail Attachment Limit: How to Send Files that Exceed the Limit

GMass imposes a 35 MegaByte size limit on a Gmail mail merge campaign, even though Gmail's official published size limit is 25 MB. How is this possible?

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February 5, 2017

How to edit a campaign

After you’ve launched a campaign, you may wish to edit it either before it actually sends or perhaps in between batches …

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December 22, 2016

What mail merge feature do you want next?

2016 has been an incredible year for GMass. The ultimate mail merge tool for Gmail has grown in spades, with …

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November 28, 2016

How to resend your Gmail mail merge campaign when you get errors

In the last few days, we’ve noticed an increase in the number or errors returned to GMass by the Gmail …

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July 25, 2016

Political Email Marketing with GMass

Personal, Direct Messages Sway Voters 2016 is shaping up to be one of the most contentious and important election years …

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July 11, 2016

Send a mail merge campaign to just selected rows of a spreadsheet

When connecting to a Google Sheets spreadsheet to send a mail merge campaign, you can now specify filter criteria to …

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Who uses GMass?

April 26, 2016

Who Uses GMass? (Email Uses for Business, Groups, Individuals)

GMass is well-known as a cold email platform, but there are tons of email uses beyond that. Here's how businesses, organizations, and individuals use GMass.

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Transform your Gmail account into an email marketing powerhouse

GMass is easy to learn and easy to use — but brings unbelievable email power into Gmail

Try GMass for free Then check out the quickstart guide to send your first mail merge email in minutes!