GMass Blog

June 23, 2020

Sometimes you need to send a mail merge to two people per row, like if you're emailing two parents of a student at school. This is how you do it.

June 22, 2020

There are a few ways to block an IP address in an AWS/Windows environment, but only a couple good ones. I'll show you the bad and good ones.

June 17, 2020

I'm an email expert, and here's why it's difficult, but not impossible, for any alternate service like Hey or Superhuman to displace Gmail.

June 16, 2020

Sending a mail merge campaign with a Google Sheet is pretty easy and fun, but now we can update your Google Sheet with opens, clicks, and more.

June 15, 2020

Most cold emailers can only send as many emails as their Gmail account allows, but I've invented a way to send far beyond those limits.

June 12, 2020

Want to learn how to set up SMTP settings on Gmail? This article contains everything you need to know to do this easily.

May 30, 2020

Personalizing the "To" header in a cold email campaign probably isn't on your radar, but some think that inserting the first/last name helps deliverability.

May 28, 2020

Looking to set up Yahoo SMTP settings for your email needs? This article has everything you need to do this quickly.

May 26, 2020

Sometimes you need to send a mass email, where each email has a unique personalized attachment. Here's how you can do that from right inside Gmail.

May 17, 2020

Looking for a Yet Another Mail Merge alternative? This article highlights the top 3 alternatives with their features, pros, cons and pricing.

May 13, 2020

If your app needs to let a user pick a file from his Google Drive, you might consider using the …

May 7, 2020

A technical review of popular SMTP services like SendGrid, Mailgun, Amazon SES, and Mailjet. Each has flaws, quirks, and distinguishing features.