Google Postmaster Tools: How to Analyze Your Reputation

Introduction

If you send emails to Gmail users (and practically everyone has a Gmail account), Google Postmaster Tools is the tool that tells you how Gmail sees you. It shows your reputation, spam rates and whether there are problems with your sending.

In this article you’ll see what it is and how to use it.

What Google Postmaster Tools is

It’s a free Google tool that gives you data on how Gmail treats your emails:

• Domain reputation: high, medium, low or bad.
• IP reputation: same, but per server.
• Spam rate: what percentage of your emails users mark as spam.
• Sending volume: how many emails you send to Gmail.
• Authentication errors: if SPF, DKIM or DMARC fail.
• Deliverability: how many emails reach inbox vs spam.

Without Postmaster Tools, you’re flying blind with Gmail. With it, you know exactly what happens to your emails.

How to register

1. Go to postmaster.google.com.
2. Sign in with your Google account.
3. Add your domain.
4. Verify ownership (with a TXT record in DNS, same as Search Console).
5. Done. Google starts collecting data.

Postmaster Tools needs a few days of sending to start showing data. If you send little email to Gmail, it may take longer.

What to look at in Postmaster Tools

Domain reputation

It’s the most important metric. Google classifies it as:

• High: your emails reach the inbox.
• Medium: most arrive, but with risk.
• Low: many go to spam.
• Bad: almost everything goes to spam.

If your reputation is low or bad, you must investigate why and fix it.

Spam rate

Shows what percentage of users mark your emails as spam. If it’s above 0.1%, Google starts to distrust.

The spam rate is decided by users: if they mark your emails as spam, your reputation drops. That’s why it’s key to send only to those who want to receive your emails.

Authentication errors

If SPF, DKIM or DMARC fail, Google shows it here. If there are errors, your emails go to spam.

How to improve your reputation in Gmail

1. Configure SPF, DKIM and DMARC. It’s the foundation.
2. Send only to those who have given permission. No buying email lists.
3. Make unsubscribe easy. It’s mandatory by law and reduces being marked as spam.
4. Send valuable content. If your emails don’t interest, they mark you as spam.
5. Don’t send all at once. If you send 10,000 emails at once without warming up the IP, Google distrusts.
6. Clean your list. Delete emails that bounce or that never open.

Useful tips

• Review Postmaster Tools weekly. No need for more.
• If your reputation drops, act fast. The sooner you fix it, the sooner it recovers.
• The spam rate is key. If users mark you as spam, everything fails.
• Don’t send to purchased lists. It’s the fastest way to ruin your reputation.
• Warm up new IPs. Start with low volume and gradually increase.

Frequently asked questions

Is Postmaster Tools free?

Yes, totally.

Do I need to send a lot of email for it to have data?

Google needs a minimum volume to show data. If you send little email to Gmail, it may take longer or not show data.

Does Postmaster Tools work with Outlook or Hotmail?

No. It’s only for Gmail. For Outlook, Microsoft’s SNDS (Smart Network Data Services) exists.

Does my reputation recover if I lose it?

Yes, but it takes time (weeks or months). It depends on users no longer marking you as spam.

Can I use Postmaster Tools with my miHosting hosting?

Yes, as long as you send email from your domain. It doesn’t matter which hosting you use.

Postmaster Tools: your X-ray in Gmail

Google Postmaster Tools is the tool that tells you how Gmail sees you. Without it, you don’t know if your emails arrive or go to spam. With it, you can detect and fix deliverability problems.

If you need help improving your email reputation at miHosting, open a ticket from your client panel.