# Email Marketing - How to use Mail-Tester to improve your email score

The **Mail-Tester** is an online tool that analyzes the sending quality of your email and assigns a score from 0 to 10. This score indicates whether your message has a good chance of reaching the inbox or may land in spam.

Below, see the step-by-step to use the tool and improve your sends through SprintHub.

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### 1️⃣ Accessing Mail-Tester

1. Visit the site:

{% embed url="<https://www.mail-tester.com/>" %}

1. The platform will automatically generate a temporary test email address.

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### 2️⃣ Sending the test email through SprintHub

1. Access your SprintHub dashboard
2. Menu >> **Analyze** >> **Email** or type **Email** in the field **“Find service”** and the function will appear for quick access.
3. Create a new test send
4. Copy the email generated by Mail-Tester
5. Paste it as the recipient
6. Send the message as usual

{% embed url="<https://youtu.be/FWFohtLib-o>" %}

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### 3️⃣ Analyzing the result

After sending:

1. Return to the Mail-Tester site
2. Click on **“Then check your score”**
3. The tool will display:

* ✅ Final score (from 0 to 10)
* 🔎 SPF check
* 🔎 DKIM check
* 🔎 DMARC check
* 📄 Message content analysis
* 🚫 Blacklist checks

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### 4️⃣ What does each item mean?

#### 🔐 SPF (Sender Policy Framework)

Validates if the server that sent the email is authorized by your domain.

If it shows an error:

* Check your domain's DNS configuration
* Confirm that the SPF includes SprintHub's server

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#### 🔏 DKIM (DomainKeys Identified Mail)

Adds a digital signature to the email to validate authenticity.

If it shows an error:

* Check if the DKIM key was added correctly in DNS
* Confirm it is active in SprintHub

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#### 🛡️ DMARC

Defines policies to protect against email spoofing.

If it shows an error:

* Configure a DMARC record in DNS
* Use an initial policy like: `p=none` for monitoring

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#### ✉️ Message Content

Mail-Tester also analyzes:

* Excessive use of words like “FREE”, “PROMOTION”, “URGENT”
* Many shortened links
* Many images and little text
* Lack of a plain text version
* Overly sensational subject line

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### 5️⃣ Best practices to improve your score

✅ Correctly configure SPF, DKIM and DMARC\
✅ Use a custom domain (avoid Gmail/Hotmail for sends)\
✅ Avoid link shorteners\
✅ Use natural language\
✅ Maintain a balance between text and images\
✅ Always include an unsubscribe option\
✅ Send to cleaned lists

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### 🎯 What score is considered ideal?

* 9 to 10 → Excellent
* 8 → Good
* 7 or less → Needs adjustments

Ideally keep it above 8 to ensure good deliverability.

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### 🚀 Extra Tip

Whenever:

* Configuring a new domain
* Changing DNS
* Switching sending server
* Creating an important campaign

Run a test on Mail-Tester before sending to your full list.