The SendHustle blog
Guides and tutorials on email automation, cold outreach, mail merge, and getting more replies.
Page 2 of 55 · 657 articles
Open Tracking Hardening: Stop False Opens When Viewing Sent Emails
GMass's new technique to remove the open pixel from campaign messages in your Sent folder to prevent you from triggering false opens.
AI Template Builder: Create HTML Email Layouts Directly in Gmail
Want to send a beautifully-designed email in Gmail like a newsletter, eCommerce promo, or other marketing message? Gmail has always made ...
How to Send a GMass Campaign From Your Boss's Account
Two techniques you can use to send a GMass campaign from your boss's email account (or another person's account) inside of Gmail.
How GMass’s “From Address” Replacement System Works
GMass's unique From address replacement ensures authentication for Gmail.com senders, alias users, and others on our in-house SMTP. Here's how it works.
Hit Gmail’s Limits? Get Instant Approval to Keep Sending Thru GMass’s Server
GMass can now instantly approve you to send large campaigns through our own SMTP server once you've hit Gmail's limits. Here's how.
How to Connect a Google Sheet to GMass (Full Guide)
A complete guide to the Google Sheet connection box in GMass, including how to use the spreadsheet picker and optional settings.
How to Send Personalized Bulk Sales Quotes Fast Using Mail Merge
How to send bulk sales quotes fast — all by using mail merge personalization right inside of your Gmail account.
Google Forms Mail Merge: How to Automate Emails to Responders
How to run a Google Forms mail merge — where you automatically send a personalized email to anyone who fills out your form.
How to Save Hours with an Invoice Mail Merge in Google Sheets
How to set up an invoice mail merge using Google Sheets and Gmail to save hours every month over manual attaching and sending.
6 Tips to Format Your Google Sheet for Smooth Mail Merging
How to format Google Sheet data for a successful mail merge using GMass — including column headers, catching typos, and more.
Google Docs vs Microsoft Word Mail Merge: Which Is Better in 2026?
When to use Google Docs vs Microsoft Word mail merge tools — and, if you're sending emails, why to skip both and use Google Sheets + GMass.
How Do I Share My GMass Account Data with Someone Else?
How to share GMass data like campaign reports, templates, and unsubscribe and bounce lists with team members, other users, and beyond.
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