Guide to using webhooks
GMass now supports webhooks for the following types of events: Sends Opens Clicks Replies Unsubscribes Bounces What’s a webhook? There’s plenty of information about webhooks on the web…
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Email, Gmail, and GMass — explained.
Practical guides, product updates, deliverability research, and experiments from the team building GMass.
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Saas Email Marketing with Gmail Automation Strategy (2026)
Why Email Marketing Should Be a Part of Your Saas Marketing Strategy In an increasingly crowded SaaS marketplace, it’s more challenging than ever before to get noticed. With…
8 Compelling Cold Recruiting Email Templates (+ 7 Tips)
Sending great cold recruiting emails could be the difference between attracting a star candidate and losing them. But how do you reach out to multiple passive candidates effectively?…
A Fail-Proof Cold Email Strategy: 8 No-Nonsense Tips
Every marketing or sales team needs a well-thought-out cold email strategy in place. Why? Without one, you may miss your target audience, fail to build credibility with recipients,…
Update on Spam and Phishing Issue
[See below in the “What we did” section for the latest updates.] Over the last week, starting on July 28, 2021, we noticed an increase in the number…
Introducing A/B Testing
You can now A/B test your email outreach campaign using our powerful platform. Here are the basics: Easily vary your Subject/Message with different sets of content. Get separate…
Cold Email Marketing Guide: Types, Tips, Templates
Did you know that for every $1 you invest in email marketing, you can get an average ROI of $38? But wait. To achieve such high returns with…
Lead vs. Prospect: 4 Key Differences + 7 Useful Tips (2026)
The lead vs. prospect comparison continues to stump many sales and marketing teams. Some assume that both terms mean the same thing, while others struggle to pinpoint the…
Mail Merge PDF: Send Emails with Personalized PDF Attachments
Do you need to send out a lot of emails with personalized PDF attachments? Sending out bulk emails with individual PDF attachments is a hassle. You have to…
Cold Leads: What They Are and How to Convert Them
While most sales teams love finding a red hot lead they can immediately convert into a customer, finding hot leads is tough. Most of the time, you’ll have…
Common Mail Merge Problems in Microsoft Word and How GMass Can Help
Are you tired of formatting your word mail merge for hours, only to find that the output you want is formatted incorrectly? Microsoft Word’s mail merge tool is…
How to Write a Cold Email Follow Up + 5 Templates (2026)
Sending a cold email follow-up is crucial to maximizing your conversion rates. However, it’s also tricky. You’ll need to decide how many follow-ups to send, when to send…