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GMass Blog

Tips and tricks for sending email campaigns inside Gmail

mail merge two recipients per TO line

June 23, 2020

How to send a mail merge to TWO people per row

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.

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how to block IP addresses in AWS

June 22, 2020

How to block IP Addresses in an AWS/Windows/IIS environment

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.

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June 17, 2020

Will the new Hey email service eat Gmail’s lunch?

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.

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Update Google Sheet

June 16, 2020

Update a Google Sheet with campaign data (opens, clicks, replies)

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.

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High Volume Cold Email

June 15, 2020

How to send high volume cold email [beyond Gmail’s limits]

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.

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Gmail SMTP settings

June 12, 2020

Setting Up Gmail SMTP Settings (2020 Guide)

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

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Personalized TO email header

May 30, 2020

Conscientious cold emailers can personalize the “To:” header

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.

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Yahoo mail SMTP settings

May 28, 2020

Setting Up Yahoo SMTP Settings (2020 Guide)

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

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Personalized email attachments

May 26, 2020

Send a mass email with personalized attachments [in Gmail]

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.

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Yet Another Mail Merge alternatives

May 17, 2020

Top 5 Yet Another Mail Merge Alternatives 2020 (Features, Pricing)

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

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google picker

May 13, 2020

Advanced Techniques with the Google Picker API

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

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SMTP tech review

May 7, 2020

A technical review of popular SMTP Services [2020]

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

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