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Troubleshooting

While we're always doing our best here at GMass to make sure everything runs smoothly, intuitively, and properly — we know support questions happen.

And while our support team can handle whatever you throw at them, before you dive into the world of support, it always feels good to find a quick answer to your problem independently.

Here in the troubleshooting archives, you can read the blog posts we've written about common (or not-so-common) GMass questions — and how to fix them.

We also recommend checking out our support page, which has more answers to common troubleshooting questions.
VIP priority service

September 15, 2020

New pay-per-incident VIP support

We are trialing a new VIP pay-per-incident support program. If you need help urgently or are experiencing a crisis, you …

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why personalization fails

February 25, 2017

Why your Gmail mail merge personalization failed

If you’re sending mail merge campaigns in Gmail with GMass, or even a different mail merge service, there are several reasons …

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February 8, 2017

How to troubleshoot a missing GMass button

If you suddenly find that the GMass button has disappeared from your Gmail interface, this guide will help you. First, …

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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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November 23, 2016

Why your Gmail account becomes inaccessible when sending a big mail merge campaign

If you’ve ever been locked out of your Gmail account while sending a large mail merge campaign, you’re not alone, …

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November 13, 2016

What to do if you get a “Requested entity was not found” error after clicking the GMass button

Occasionally, after you’ve composed your mail merge campaign in Gmail and hit the GMass button, instead of sending, you may …

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November 2, 2016

How to get support

GMass is a low-cost, self-service system. We use Zendesk as our support ticketing system. We do not offer phone support …

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August 31, 2016

How to stop GMass from sending emails from your Gmail account

There are lots of reasons why you may need to stop GMass from sending emails from your Gmail account: GMass …

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June 2, 2016

Don’t make this copy / paste mistake with Gmail and GMass

If you’ve sent an email campaign with GMass, or even a test message to yourself, never copy/paste that message from …

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June 1, 2016

Resources for GMass Beginners

If you’re new to GMass or new to email marketing, these resources might help you get started: 1. GMass YouTube …

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March 31, 2016

How to disconnect GMass from your Gmail account

While I hate to encourage people to remove GMass from their Gmail accounts, there are several legitimate reasons you may …

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March 11, 2016

Why your Gmail signature doesn’t show up when GMass launches the Compose window

This post was updated on July 2, 2016 with a new method to set your signature with GMass. If you’re …

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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!

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