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How different email platforms handle personalization: a hands-on comparison

Aditya Patel | Subject Matter Expert
Email personalization in ESPs

Personalization is no longer just first names. It’s showing relevant products, adjusting offers by location, triggering messages based on customer behavior, displaying real-time inventory or weather, personalizing with AI, and much more. 

Modern email platforms support personalization, but to different levels. Each platform has its own syntax, templating language, and approach to building dynamic content in emails. And if you’re choosing an ESP or refining your email strategy, these differences matter way more than you might think.

We tested five major platforms side by side with an identical personalized email template to show you exactly how they handle personalization differently, and where each one hits its limits. So let’s get started.

Comparing personalization pattern execution across five popular email platforms

To understand real-world platform differences, we created one responsive HTML email template with the following personalization elements:

The above personalized email template was tested using desktop preview, mobile preview, test sends, Email on Acid rendering tests, and email clients including Gmail, Outlook, Apple Mail, Yahoo Mail, and mobile clients to ensure consistency. Only the personalization syntax and dynamic logic changed; the core design stayed identical.

The email platforms/ Email Service Providers (ESPs) covered:

Breaking down each platform

1. Mailchimp – perfect for getting started

Personalization syntax:

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Hi *|FNAME|*,
We have products just for you...

When to use:

What works well:

The limitation: Mailchimp handles basic personalization beautifully, but it doesn’t support live API calls during email rendering. If you need real-time inventory updates or live pricing, you’re limited.

Personalization features supported:

2. HubSpot – the balanced choice

Personalization syntax:

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Hi {{ contact.firstname }},
{% if contact.lifecycle_stage == "customer" %}
  Your exclusive member offer
{% endif %}

When to use:

What works well:

The limitation: HubSpot personalizes based on what’s in your CRM. If you need real-time external data (like live weather or current inventory from a different system), you’ll need custom workarounds.

Personalization features supported:

3.  Marketo – The B2B powerhouse

Personalization Syntax:

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Hi {{lead.First Name}},
#if($lead.City == "San Jose")
  Check out our local event on Friday
#end

When to use:

What works well:

The limitation: Velocity scripting is powerful but requires developer expertise. Setting up advanced personalization often means coding. Like HubSpot, real-time external data requires extra setup.

Personalization features supported:

4. Braze – real-time personalization leader

Personalization syntax:

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Hi {{${first_name}}},

{% if ${city} == 'San Jose' %}
  Real-time weather updates available
{% endif %}

{% connected_content https://api.example.com/inventory %}

When to use:

What works well:

The limitation: Braze requires technical expertise. Setting up Connected Content and advanced personalization isn’t point-and-click. It’s the most powerful but has the steepest learning curve in the group.

Personalization features supported:

5. Salesforce Marketing Cloud (SFMC) – the enterprise champion

Personalization syntax:

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Hi %%FirstName%%
%%[ IF @Tier == "Platinum" THEN ]%%
Exclusive offer for Platinum members

%%[ ENDIF ]%%
Lookup("Customers","City","SubscriberKey",_SubscriberKey)

When to use:

What works well:

The limitation: SFMC is overkill for small teams. It has a steep learning curve and requires serious technical expertise. If you don’t need enterprise-scale features, simpler platforms might be faster to implement.

Personalization features supported:

A comparison snapshot 

What this means for your team

If you’re just starting out

Choose Mailchimp. Personalization shouldn’t be an obstacle to sending better emails. Merge tags and simple conditions are enough to dramatically improve engagement.

If you use HubSpot (or want to)

You already have what you need. HubSpot’s personalization is excellent for most marketing teams. Your customer data is already organized; just connect it to your personalized email templates. No developers required.

If you’re heavy on B2B marketing

Marketo is your sweet spot. The complexity pays off when you’re nurturing leads through long, complex journeys. Your developers will appreciate Velocity scripting, and your marketers will love the automation.

If real-time personalization matters

Braze is the clear winner. If you’re personalizing based on what’s happening right now (inventory, weather, live pricing), Braze’s Connected Content is built for this. The learning curve is steep, but the results are worth it.

If you need everything

SFMC delivers unlimited power. If you’re an enterprise with complex requirements, massive volumes, and strong technical teams, SFMC removes all constraints. Cost and complexity are high, but so is capability.

Final word

Email personalization has evolved from “add the customer’s name” to “deliver exactly what they need, right now.” The platform you choose should match your team’s expertise, your budget, and your ambitions.

The right platform isn’t always the most powerful; it’s the one that fits your team and grows with you. Need support with creating personalized email templates in your platform? Email Mavlers’ team of 150+ email experts knows 50+ platforms inside out and can help you leverage their template personalization capabilities.

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