Why your Gmail open tracking statistics may be skewed
One of the most frequent emails I answer from users is: I was testing your open-tracking, and I know that certain emails weren’t opened, but GMass still reports…
GMass Blog
Author: Ajay Goel
Ajay is the founder of GMass and has been developing email sending software for 20 years.
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How to handle this strange Gmail bounce: “read error: generic::failed_precondition”
Several users have recently reported seeing bounce backs from Gmail that look like this: Delivery to the following recipient failed permanently:Technical details of permanent failure:read error: generic::failed_precondition: read…
Setup Gmail Auto Follow-Up Emails Until You Get a Reply [Updated 2026]
Automated email follow-ups in Gmail Overview: Learn how to set automatic follow-up email campaigns to be sent after an email campaign is sent, to increase your response rates…
Understanding the GMass Settings Box
Below is detailed explanation of each item in the GMass Settings box, which is accessible by clicking the “up” arrow next to the GMass button. Default Settings and…
New Feature: Load Content Easily from a Previous Gmail Email Campaign
I just launched a GMass enhancement that I’ve been needing for my own purposes for a while — the ability to easily load a Subject and Message into…
Globally Shared Unsubscribes and Bounces Across Domains and Teams
If you send an email that bounces or have someone unsubscribe, you (almost certainly) don’t want other people on your team continuing to send them messages. That’s when…
No More Fear: Preview your emails as Drafts, then send them with one click
We just eliminated the fear of sending an email marketing campaign. Afraid that personalization won’t work? Afraid your tracked links won’t work? Afraid the unsubscribe link won’t work?…
Bug Fix: Gmail mail merge error when connecting to certain Google Sheets
We just deployed a bug fix that corrects an issue where you would receive an error when connecting GMass to certain Google Docs spreadsheets where an email address…
All sent email campaigns are now archived under the “Sent Copies” Gmail Label
Want to see a record of what you sent and to whom? Want to copy/paste the content of a previous email marketing campaign into a new campaign? Now…
How to disconnect GMass from your Gmail account
While I hate to encourage people to remove GMass from their Gmail accounts, there are rare but legitimate reasons you may want to. Here’s one, for example… Phishing…
Reply Management in your Gmail Account
We’ve just launched a new feature which automatically organizes replies to your Gmail email marketing campaigns. Bounces, replies, block-notifications, and other types of replies received after you send…
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 used to having your Gmail signature show up…