The SendHustle blog
Guides and tutorials on email automation, cold outreach, mail merge, and getting more replies.
Page 5 of 55 · 657 articles
How to Send Personal Job Candidate Rejection Emails at Scale in Record Time
How to send personalized job candidate rejection emails at scale — the fastest, easiest way to get through the applicant rejection process.
5 Follow Up Mistakes 99% of People Make (+ Quick Fixes)
Here are the most common follow-up mistakes people make without realizing it, and strategies and examples to fix those problems.
The 3 Best Methods to Send High-Volume Cold Emails in 2026
Everyone wants to figure out the best way to send high-volume cold outreach campaigns with high deliverability. These are the methods pros are using.
How to Delete Your Gmail Account (and What You Can't Undo)
Here's how to delete Gmail account data completely -- as well as a complete guide to just removing a Gmail address from your phone.
How to Use Google Gemini AI with GMass Email Campaigns
How to use Google Gemini's AI features with GMass email campaigns, since both work inside Gmail. Create campaigns and replies, ask questions, and more.
How to Run a CSV Mail Merge in Gmail (GMass Guide)
Need to use a CSV mail merge to send an email campaign in Gmail? Here's the solution of how to do that using GMass and Google Sheets.
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, ...
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. ...
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 ...
ColdSMTP: GMass's Game-Changing Cold Email Sending Server
GMass's new cold email sending server, made for high-volume outreach pros, with virtually unlimited messages from a single sending address.
How We Use GMass to Run ALL Our Company's Email (and You Can Too)
We send every single email for GMass using GMass — from newsletters to our one-on-one messages. Here's how we do it, and how you can too.
How to Set a Default Time Zone in GMass
How to set a default time zone for your account in GMass and the benefits in doing so for scheduling campaigns and auto follow-ups.
Put it into practice
Send your next campaign from your own Gmail with SendHustle — personalized, tracked, and on autopilot.
Start free