New Features

December 13, 2018

New! We’ll warn you if you use the wrong mail merge tags

We’ve just updated GMass with an enhancement that will save you from crushing embarrassment. Sending a mail merge campaign with

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November 28, 2018

Announcing the launch of the Domain Deliverability Statistics Tool

Today we are launching a project we’ve been working hard on for several months: The Domain Deliverability Statistics tool. Send and

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August 28, 2018

New Feature: Add a longer delay between emails

For a while, we’ve had an email throttling feature that allows you to add a 5-10 second delay between every sent

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June 14, 2018

Send an email campaign as a reply to the most recent conversation

Sending a mail merge campaign is a powerful tool for staying in touch with customers or potential customers, but they still run the

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May 22, 2018

How to unsubscribe a domain

You can now unsubscribe an entire domain from your Gmail mail merge campaigns sent with GMass. Unsubscribing a domain is

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April 12, 2018

Integrate Salesforce with your Gmail mail merge campaigns

Salesforce is a giant in the CRM world, and–once it’s set up–it’s fairly simple to integrate it with GMass. Using GMass’s BCC

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April 8, 2018

How to build an email list from your Gmail account

One of GMass‘s most powerful features is the ability to build an email list just by searching your Gmail account.

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March 30, 2018

How to send a fast and simple mail merge in Gmail

Sending a mail merge from a list of email addresses is very simple with GMass. That list can be copied

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February 19, 2018

How to use the “Inbox, Spam, or Promotions” email delivery testing tool

Every email marketer has wondered if their emails are making it to the Inbox, Spam, or Promotions folder, and my new

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December 29, 2017

You can now pause your mail merge campaign

We just added a feature that allows you to pause and resume your Gmail mail merge campaign at will. When

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November 29, 2017

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

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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

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