I Tested 5 Inbox Zero Strategies — Here’s What Worked
I’ve always wanted to be the kind of person who gets to inbox zero, but I’ve never been able to pull it off — maybe because I never…
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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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How to Send Personal Job Candidate Rejection Emails at Scale in Record Time
I recently saw a LinkedIn post go viral praising Zapier’s candidate rejection email. Here’s the email, as shared: I mean, it’s alright. We love Zapier, here at GMass we…
5 Follow Up Mistakes 99% of People Make (+ Quick Fixes)
If you’re sending outreach campaigns (whether cold or warm), there’s a good chance you’re using automated follow-ups — but unfortunately, there’s a good chance you’re making follow-up mistakes.…
The 3 Best Methods to Send High-Volume Cold Emails in 2026
I’m an active participant in several cold email Facebook groups and subreddits. And every day — literally, every single day — someone posts that they need to send…
How to Delete Your Gmail Account (and What You Can’t Undo)
If you’re here because you need to know how to delete Gmail account data completely… delete the account itself… or just get it off your phone — that…
How to Use Google Gemini AI with GMass Email Campaigns
Google Gemini has been rolling out across Google Workspace accounts over the past few weeks — and, in particular, Gemini for Gmail. Gemini brings a handful of AI powers…
How to Run a CSV Mail Merge in Gmail (GMass Guide)
Here at GMass, we regularly have people ask us: How do I run a CSV mail merge in Gmail? We know why people ask. Mail merges just kinda…
How to Convert Email to Google Sheets (Free, No Download Needed)
There are plenty of ways to convert your Google Workspace/Gmail email to Google Sheets. One of those ways is free, requires no external app/add-on, and takes five minutes at…
5 Hidden Gmail Settings to Make Your Email Work Way Better
We all know the basic Gmail settings. Today I’m going to dive into some that they’ve been keeping from you. (I’m not sure who exactly has been keeping them…
How to Add a HTML Space in Gmail (Easy Solution)
If you’ve ever tried to add a HTML space in Gmail, you’ve learned what we’ve all learned at one point or another: There’s no native way to add a…
ColdSMTP: GMass’s Game-Changing Cold Email Sending Server
To apply to use ColdSMTP, our cold email sending server, please fill out this form. Cold email has lost its way. Every day — EVERY day — I…
How We Use GMass to Run ALL Our Company’s Email (and You Can Too)
Earlier this year, a few of us from GMass were on a call with a potential new contractor and they asked what email platform we use to send…