11 best Gmail extensions you’ve never heard of
Gmail is used by more than one billion people. Not your parents, who are ride-or-die AOL email forever, but one billion other people. And every single one of…
GMass Blog
Email, Gmail, and GMass — explained.
Practical guides, product updates, deliverability research, and experiments from the team building GMass.
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How to Master Newsletter Copywriting (7 Proven Tips, Examples)
Whether you’re a blogger, freelance writer, or social media marketer, email newsletters are a great way to keep your brand visible to existing or potential clients. Newsletters with…
Email Copywriting Guide for 2026 (9 Practical Tips, Tools)
Interested in a crash course on cold email copywriting? There’s much more to effective email copywriting than just writing an on-brand email copy. You’ll also need to personalize…
The story of our new pixel blocking Chrome extension
In 2022, we launched a new Chrome extension, called Tracker Blocker, that is a companion extension for GMass. If you’re using GMass to send campaigns, Tracker Blocker worked so…
New Feature: Test your email sequence
You can now test your email sequence and see exactly what it will look like in the Inbox before you send your actual campaign. To see your full…
Salon Email Marketing Made Easy with Gmail Automation
Why is Email Marketing Important for Salons? As a salon owner, developing strong client relationships is critical to your business’s success. If you’re like most salon owners who only…
Outbound Email Marketing Guide (What it is + 7 Proven Tips)
Outbound email marketing is one of the best ways to approach people who are unfamiliar with your offerings. However, for your outbound campaign to succeed, you’ll need to…
12 Effective B2B Cold Email Templates for 2026 (Tips, FAQs)
Sending a personalized B2B cold email is an excellent way to approach a lead — whether it’s to try to get them to schedule a demo, hire you…
Top 15 Outreach Email Software for 2026 (Features, Pricing)
Outreach email software makes it easy for you to establish contact with a potential customer. And with the right software, you can quickly amp up your outreach efforts…
12 Best Cold Email Automation Tools (Features, Pricing)
Finding the best cold email automation software for your unique needs can be challenging — especially since it’s a bit different than hunting for general cold email software.…
How to Create an Automated Outreach Tracker Using Google Spreadsheet
As an email marketer, you’ll most likely start your campaign with a Google spreadsheet for prospecting and list management. Whether you’re sending emails manually or using a third-party…
12 Best Sales Outreach Tools for 2026 (Features, Pricing)
Sales outreach tools help you connect with leads and move them along in your sales cycle. However, approaching new leads and convincing them to engage with you takes…