Get Better Email Deliverability Insights with Google Postmaster Tools

Mike Arsenault
July 21, 2021
minute read

What is Google Postmaster Tools?

Google’s Postmaster tools are a set of tools that you use to track your domain reputation, spam rate, email authentication, and other important email deliverability data. Postmaster tools are hands down the best way to find out how well your emails are delivering, and diagnosing and correcting deliverability issues for Gmail.

Fortunately, these tools are easy to set up. It takes just a few minutes. That’s no exaggeration.

How to set up Google Postmaster Tools

The entire process is only about five total steps. The only prerequisite is that you have a Gmail address. You’ll need it to login and use the Postmaster Tool.

If you have an email address, here’s what you need to do to setup Google Postmaster Tools:

  1. Start at Use your Gmail account to login.
  2. Click the red “+” button at the bottom right of the screen.
  3. Type in the domain that you use to authenticate your email.

    For example, to add Rejoiner to Google Postmaster tools, you might use as the authentication domain.

Click next. This will prompt you to verify that you own the domain. Google will generate a string of text in the box labeled, “txt record.” Copy that text.

For the last step, you’ll need access to your DNS record. If you have access, you can do this step yourself. Otherwise, you may need to work with your domain administrator or your IT team.

Once you’ve verified that you own the domain, you’ll be able to see all the Google Postmaster dashboards, with data about your domain’s sender reputation, email deliverability stats, and a whole bunch of other useful information. Here’s an example:

These dashboards will give you all the information you need to assess how well emails from your domain will place in the inbox, and you’ll be ready to start maximizing your email deliverability.

What to do now

Ready to improve you remail deliverability? Learn all about email deliverability.

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Frequently Asked Questions

What does Google Postmaster Tools do?

Google Postmaster Tools provides deliverability insight to marketers who send email to Gmail users. Postmaster Tools provides feedback on domain reputation, IP reputation, spam complaint rates, delivery errors, authenticated traffic, and encryption. In addition, Postmaster Tools provides a Feedback loop to help bulk senders gain transparency into the individual campaigns causing deliverability issues.

Is Google Postmaster Tools free?

Yes. Google Postmaster Tools is a free tool that Gmail provides to senders.

Is Google Postmaster Tools only for Gmail?

Yes. Google Postmaster Tools deliverability data is limited only to Gmail users.

How many messages per day do I need to send to get feedback from Google Postmaster Tools?

You should be sending a minimum of 100 messages per day to Gmail users before expecting feedback loop data in Google Postmaster Tools.


Mike Arsenault

Founder & CEO

For the last 10 years, Mike has worked with brands like Moosejaw, Hydroflask, Peak Design, Triumph, Hearst & Guthy Renker to provide the strategy & technology with which they use email to drive revenue growth. He's also the Founder of Rejoiner, a SaaS marketing platform built for ecommerce businesses.

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