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GMass

As you might've guessed, we've written a little bit about GMass on the GMass blog.

Here in the GMass archives category page you can find the articles we've written, often about how to get the most out of a GMass feature — but sometimes about even broader cold email and email marketing strategy with a GMass twist.

If you're here because you're new or new-ish to GMass and you want to learn about everything GMass has to offer (spoiler: a lot), you might want to head over to the tour.

June 23, 2022

Send to Multiple Lists in a Single Campaign with GMass Multi Merge

Send a single email campaign to multiple lists in GMass. Connect 2+ Google Sheets, segmented behavior-based campaigns, or search-driven mailing lists.

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Preview text - what it is - how to set it up

June 17, 2022

Preview Text: What It Is, Best Strategies, & How to Set It in GMass

What is preview text? Here's how to set it in GMass for a single email or for a sequence. Plus strategies and best practices for preview text.

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List Unsubscribe Header - What It Is and How to Implement It

June 16, 2022

List-Unsubscribe Header: What It Is and How to Implement it in GMass

Understand the list-unsubscribe header, who should use it to add easier unsubscribe links in email clients, and how to enable it in GMass.

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Using GMass Send-as-Replies Feature

May 3, 2022

Using GMass’s Unique “Send as Replies” to Keep the Conversation Going (3 Examples)

How to use GMass's unique and powerful "send as replies" feature to keep a conversation going by sending a new campaign as a reply to a previous one.

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GMass for teams 7 features and benefits

April 28, 2022

GMass for Teams: 7 Features & Benefits

GMass teams features include collaboration and sharing options, plus a price discount for every member of your entire team.

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Email marketing mistakes

August 18, 2019

Four common email marketing mistakes and how to avoid them

How many times have you received an email that starts with “Dear *|FNAME|*”? It happens so often it’s laughable, and …

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March 30, 2018

How to send a fast and simple mail merge in Gmail

Sending a mail merge in Gmail from a list of email addresses is very simple with GMass. That list can …

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December 29, 2017

You can now pause your mail merge campaign

We just added a feature that allows you to pause and resume your Gmail mail merge campaign at will. When …

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October 9, 2017

Auto follow-up email enhancements

GMass offers a feature allowing you to send auto follow-ups out until getting a response to the original email. Start using this auto-email tool today!

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September 13, 2017

Upgrading MimeKit broke our email address parser

GMass is written in C# and JavaScript and makes heavy use of a C# component called MimeKit. We recently upgraded to version 1.18, and it broke our code.

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May 22, 2017

Understanding the Gmail Labels that GMass uses

When you create a mail merge campaign in GMass, the campaign is temporarily saved as a Gmail Draft, and based on …

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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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