GMass no longer accepts Bitcoin
Update: Unfortunately, GMass no longer accepts Bitcoin. This may return at some point, but for now our only payment options are credit card and PayPal. In 2017, GMass…
GMass Blog
Email, Gmail, and GMass — explained.
Practical guides, product updates, deliverability research, and experiments from the team building GMass.
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3 Clever Ways to Drastically Increase Your Cold Email Outreach ROI
Email marketing has an amazing return on investment. The latest data shows that every dollar spent on email marketing nets $44 back. But that same data doesn’t translate…
SMTP Test Tool – FAQ
This is the FAQ for the SMTP Test Tool. Q: What’s going on here? A: This is a web-based SMTP test tool. If you’re familiar with SMTP servers…
Just launched! World’s best SMTP server testing tool.
I just launched the world’s best web-based SMTP test tool. With my new tool, you can see the exact SMTP conversation between the client and the SMTP server. You…
5 Actionable Email Marketing Statistics You Should Know
Thousands and thousands of emails flood our inboxes daily. Gmail even had to introduce segments into their inbox to clear the clutter from our daily lives. It’s becoming…
Gmail’s 69585 bounces and what they mean
Have you ever gotten a bounce after sending an email from Gmail with a 69585 bounce code that references a URL? Specifically, a bounce message that says: Your message…
How to get around Sendgrid’s domain whitelabel requirement
On April 6, 2020, SendGrid changed its sender verification requirements for new accounts created since April 6, 2020. Accounts created after this date are required to verify individual…
Campaign Reports Explained [+ interesting tidbits]
GMass takes a different approach to reporting and analytics than most Email Service Providers, and in this article you can learn how to access and analyze email campaign…
5 High-Yield Cold Email Outreach Templates
Cold email outreach “doesn’t work.” It’s “outdated and ineffective.” You’ve tried a few strategies that simply failed to get a response. Even used emojis, memes, and gifs to…
5 Ways to Get PR for Your Startup Without Spending a Penny
Most marketing tactics that big names tout require one thing you don’t have: Brand awareness. For example, generating backlinks by capitalizing on brand mentions that don’t have a…
Gmail Draft thinks To field is blank if invalid characters present in address
We’ve discovered that in certain situations, Gmail doesn’t save the addresses in the To field as part of a Draft, when invalid characters are present in the list…
Improvements to the “Just create Drafts” feature
I just deployed some improvements to the “Just create Drafts” feature. As a reminder, this is the feature that allows you to create individual Gmail Drafts for your mail merge campaign, so…