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New Features

New feature announcements.

January 6, 2019

Set a custom Reply-To address per email campaign

You can now set a campaign's Reply-To address directly in the GMass Settings box. If left blank, GMass will use the Reply-To from your Gmail settings.

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January 5, 2019

Announcement! Chrome extension updated with new features

We’ve just released a new version of GMass with new features and a cleaner UI. Just reload Gmail to get …

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December 13, 2018

New! We’ll warn you if you use the wrong mail merge tags

Using the wrong merge tags in an email campaign is embarrassing. Now you'll get a popup warning if you try to send a campaign with the wrong merge tags.

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November 28, 2018

Announcing the launch of the Domain Deliverability Statistics Tool

Get email deliverability statistics and SMTP bounce codes for every domain on the planet.

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August 28, 2018

New Feature: Add a longer delay between emails

For a while, we’ve had an email throttling feature that allows you to add a 5-10 second delay between every sent …

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June 14, 2018

Send an email campaign as a reply to the most recent conversation

It's now possible to send an email campaign, where your message goes out as a reply to the most recent email thread with each person.

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May 22, 2018

How to unsubscribe a domain

You can now unsubscribe an entire domain from your Gmail mail merge campaigns sent with GMass. Unsubscribing a domain is …

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April 12, 2018

Integrate Salesforce with your Gmail mail merge campaigns

Here is how you integrate your Gmail mail merge campaigns with your Salesforce.com account. Using Salesforce's Bcc integration, it's easy.

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April 8, 2018

How to Build an Email List from your Gmail Account

In this post, I'll teach you how to build an email list from the emails sitting in your Gmail account. You can then easily send an email campaign to them.

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March 30, 2018

How to send a fast and simple mail merge in Gmail

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

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February 19, 2018

How to use the “Inbox, Spam, or Promotions” email delivery testing tool

This is the guide to my free deliverability tool that tells you whether your email campaigns are making it to the Inbox, Spam, or Promotions folder.

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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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