Email builders and artificial intelligence: from drag-and-drop editor to industrial campaign production platform
Reading time: 15 min
For a long time, The creation of an email marketing campaign was based on a relatively manual process. The marketing teams prepared the content, the graphic designers created the mockups, and the developers transformed these elements into HTML code compatible with the main email clients. Each modification could trigger new exchanges, new approvals, and sometimes lengthy testing phases.
The appearance of email builders has profoundly changed this organization. Thanks to the visual interfaces and drag-and-drop systemsMarketing professionals can now create campaigns without mastering HTML code. Templates, reusable blocks, and content libraries reduce production time and facilitate message adaptation.
A new milestone has been reached today with theintegration of artificial intelligenceThe email builder is no longer limited to assembling graphic blocks. It can suggest a structure, generate text, adapt a message to several segments, create variations, or check the consistency of a campaign.
The email builder is thus evolving from a simple layout tool to a marketing production platformconnected to customer data, branded content and campaign orchestration systems.
TO REMEMBER
Modern email builders are no longer just for designing emails. They help to... organize, secure, personalize and industrialize his entire output.
Why email production remains complex
An email may seem simpler than a web page. It typically includes a title, a few paragraphs, images, buttons, and links. However, its technical construction remains particularly complex.
Email software and applications do not all interpret HTML code and stylesheets in the same way. An email that displays correctly in one application may show shifts, altered colors, or misaligned elements in another.
This fragmentation forces designers to adhere to specific technical constraints. Structures often still rely on HTML tables, styles sometimes need to be integrated directly into the code, and some common web properties remain poorly supported.
In addition to these constraints, there is the responsive Design, dark mode, accessibility, image size, link tracking, and content personalization are all factors to consider. The proliferation of devices and viewing contexts further increases this complexity.
The apparent simplicity of an email therefore masks a fragile technical infrastructurewhere every detail can affect the display, deliverability, or recipient experience.
The email builder plays a crucial role here. It absorbs some of the technical complexity and transforms it into more user-friendly visual components. It doesn't eliminate all constraints, but it allows teams to work within a more secure environment.
POINT OF VIGILANCE
An email that is correctly displayed in the builder is not necessarily compatible with all email clients. Rendering tests remain essential., particularly in Outlook, Gmail, Apple Mail and major mobile applications.
What is a modern email builder?
An email builder is a software program or component that allows users to create emails using a visual interface. The user assembles various elements such as text, images, buttons, columns, spaces, separators, or product blocks.
The tool then generates the HTML code needed to display the message in email clients. In most cases, the user can preview the result on desktop and mobile before integrating it into a campaign.
Early email builders primarily aimed to simplify layout. Current solutions cover a much broader scope. They can manage shared templates, locked components, dynamic content, comments, approval workflows, and connections with multiple sending platforms.
DEFINITION
A modern email builder is a platform that allows you to design, assemble, customize, validate and export emailswhile reducing reliance on code and repetitive technical interventions.
A modern email builder can thus bring together several functions :
- graphic and editorial creation;
- model and component management;
- collaboration between teams;
- content personalization;
- quality control;
- integration with the stack martech.
The email builder is therefore becoming less of a simple editor and more of a shared marketing production environment.
The main categories of email builders
Not all email builders serve the same purpose. Some solutions are directly integrated into email marketing platforms, to CRM or to marketing automation software. Others function as standalone tools, capable of exporting emails to multiple systems.
The builders integrated into the sending platforms
These tools allow you to create, schedule, send, and analyze a campaign from a single environment. Their main advantage lies in their native integration with contact lists, segments, automated scenarios, and performance data.
This approach simplifies the user journey and reduces the need for multiple tools. However, it can create platform dependency. Templates, components, or content are not always easily transferable to another solution.
AI-assisted builders
A new category is developing around assisted generation. The user can provide an objective, a target audience, an offer, or a product page. The tool then suggests a structure, content, and sometimes a complete layout.
These solutions do not necessarily replace the previous categories. Artificial intelligence is becoming more of a functional layer., gradually integrated into all email builders.
Independent builders
Independent email builders focus on designing and producing messages. They can then export the result to different sending platforms.
This approach is suitable for organizations that use multiple solutions, work with multiple brands, or want to centralize campaign production. It also facilitates collaboration between internal teams, agencies, and service providers.
Developer-oriented solutions
Some platforms favor a code-based approach, frameworks, or model-driven languages. They give technical teams more control and facilitate integration into structured development processes.
They are particularly well-suited to transactional emails, digital products, and organizations that want to manage their templates as versioned software components.
Practicalities
A company can use a standalone message builder to produce the messages, a CRM to manage customer data, and a marketing automation platform to handle the sending. The challenge then becomes... to facilitate communication between these three environments.
From template to modular design system
Templates
The model, or templateIt has long formed the basis of email production. It defines a general structure with a header, a message body, and a footer.
The user then duplicates this template to create a new campaign.
However, this method shows its limitations when the number of campaigns, brands, languages, or scenarios increases. Each duplication can create a new version of the template. Changes become difficult to implement, and graphical discrepancies multiply.
Modular design system
The most mature organizations are gradually replacing this logic with a modular design system.
They no longer just build complete models, but a library of reusable components.
This library could include:
– headers,
– editorial blocks,
– product sheets,
– promotional banners,
– testimonies,
– personalized recommendations,
– calls to action
and several versions of footers.
Each component adheres to precise graphic and technical rules. Colors, fonts, margins, button sizes, and mobile behavior are defined in advance.
Users then have a structured level of autonomy. They can assemble the components according to their needs without altering the essential elements of the brand identity.
This approach makes it possible to reconcile speed of production, graphic consistency and technical security.
An example of reusable system design
The preview bar is for demonstration purposes only. It is not included in the final email.
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Which to choose: Template or design system?
A template provides a complete structure to duplicate. A design system provides reusable and governed componentswhich can be assembled according to the type of campaign.
The first speeds up email creation. The second allows for the industrialization of producing hundreds of campaigns.
Industrialize without standardizing the countryside
Industrialization can lead to excessive standardization. If all campaigns use the same structures, emails risk becoming repetitive and losing their ability to capture attention.
The goal of an industrial email builder is not to produce identical messages. It aims to standardize the elements that need to be standardized in order to free up time for strategy, creation, and personalization.
Technical rules, margins, button styles, or legal notices rarely need to be redefined for each campaign. Conversely, the promise, content, information hierarchy, and visual elements must be able to evolve.
KEY PRINCIPLE
Standardizing the structure does not mean standardizing the message. The best systems automate technical constraints in order to save time for the creation, relevance and differentiation.
A well-designed modular system offers several levels of freedom. Some blocks can be completely locked, others can allow text or image replacement, while some components can remain more flexible for exceptional campaigns.
Industrialization should not stifle creativity. It should prevent teams from spending time solving the same problems repeatedly.
Collaboration, validation and governance
The production of an email rarely involves just one person. Copywriters, graphic designers, CRM managers, legal experts, sales teams, and brand representatives may be involved at various stages.
When approvals rely on screenshots, files sent via email, or comments scattered across multiple tools, the risk of error increases. A change might be overlooked, an older version might be used, or a campaign might launch without full approval.
The most advanced email builders include collaboration features. Participants can directly comment on an element, compare multiple versions, and track the message's progress.
Role management also allows for differentiation of rights. One user can modify text without affecting the structure. Another can create new components, while an administrator controls templates and global rules.
This governance structure is becoming essential in international groups and multi-brand organizations. It allows for the definition of what falls under the central framework and what can be adapted locally.
The email builder then becomes a operational governance interface, just like a creative tool.
Workflow example From strategy to performance analysis
1
Marketing brief
2
Content creation
3
Assembly in the email builder
4
Brand and legal validation
5
Technical and functional tests
6
Export or programming
7
Sending and analyzing performance data
Some representative publishers of the market
The email builder market is not a homogenous entity. Some solutions primarily offer a standalone environment for creating and exporting emails. Others place greater emphasis on collaboration, design systems, governance, or integrating the editor into a marketing platform.
With features and offerings evolving rapidly, the following solutions should be considered as examples of positioning, and not as an exhaustive ranking.
| Solution | Main positioning | Distinguishing features |
|---|---|---|
| Stripo | Autonomous production and multi-channel export | Visual editor combined with an HTML and CSS editor, reusable modules, interactive content, collaboration and export to numerous sending platforms. |
| Unlayer | Email builder that can be integrated into an application | A solution specifically geared towards software publishers, CRMs, and platforms SaaS wishing to embed a white-label email builder using an SDK and APIs. |
| RGE Studio / beefree | Visual creation and collaboration | An environment for designing, commenting on, validating, and exporting emails. The Beefree SDK also allows integration of the builder into another application. |
| Chamaileon | Design systems and collaborative production | Solution geared towards the creation of modular components, brand consistency, feedback, validations and email production by distributed teams. |
| Knak | Supervised business production | Platform designed for marketing teams in large organizations, with a strong emphasis on controlled components, brand compliance, and integration with marketing automation platforms. |
| Dyspatch | Dynamic emails and governance | Solution focused on modular models, interactive content, collaboration and management of transactional or multilingual campaigns. |
| Topol.io | Standalone or embedded visual editor | Email builder available as a creation tool, but also as a plugin that can be integrated into software or a business platform. |
| postcards | Modular visual design | A tool focused on the rapid assembly of graphic blocks, the creation of responsive templates, and the export of HTML code to different platforms. |
From standalone solutions to embedded builders
Stripo, RGE Studio, Chamaileon or Postcards These environments can be used as production environments that are relatively independent of the sending platform. Teams design their campaigns there before exporting or synchronizing them with their ESP, CRM, or marketing automation tool.
Unlayer, Beefree SDK, Chamaileon SDK or TOPOL Plugin These technologies operate according to a different logic. They allow a software publisher to integrate an email builder directly into their own interface. The user can then create their message without leaving the application. CDP, the CRM or orchestration platform that will manage the campaign.
This distinction is important. Choosing an email builder for your own teams and selecting a component intended to be embedded in a software product do not meet the same specifications. In the second case, the quality of the SDK, APIs, documentation, authentication mechanisms and customization options becomes as important as the ergonomics of the editor.
Marketing platforms also have their own builders
Specialized solutions are not the only ones to offer creation interfaces. Platforms such as Mailchimp, Brevo, HubSpot, Klaviyo, Salesforce Marketing Cloud, and Adobe Journey Optimizer integrate their own email builders.
Their main advantage lies in their close connection to the platform's data, segments, scenarios, and personalization mechanisms. However, their creation, collaboration, and export capabilities may be more closely tied to their own ecosystem.
The choice should therefore not be based solely on the quality of the drag-and-drop functionality. It is also necessary to consider component reuse, rights management, validation workflows, compatibility with existing tools, product code quality, integration capabilities, and AI-assisted content governance.
POINT OF VIGILANCE
A long list of features is not enough to evaluate an email builder. A demo or pilot project should allow testing of real campaigns, dynamic content, personalization variables, multiple languages, and the main email clients used by recipients.
Personalization and connection to customer data
Email personalization is no longer limited to inserting a first name in the subject line or body of the message. Companies want to tailor products, offers, visuals, and arguments based on each recipient's profile, behavior, or context.
To meet this expectation, the email builder must connect to the main data sources of the martech stack. It can leverage information from a CRM, a CDP, a product catalog, a loyalty program, or a recommendation engine.
Dynamic blocks allow you to display different content based on predefined rules. The same location can present a specific offer depending on the country, language, customer status, or purchase history.
This approach reduces the need to create multiple separate campaigns. However, it increases the complexity of the checks. Each combination must be verified to avoid inconsistent content, empty fields, or inappropriate recommendations.
POINT OF VIGILANCE
The more dynamic content a campaign contains, the greater the number of possible combinations. Personalization must therefore be based on reliable data, explicit rules, and documented test scenarios.
The email builder must therefore allow for easy previewing of the different variants and testing of the data used in each scenario.
How artificial intelligence is transforming email builders
Artificial intelligence is now involved at several levels of campaign production. It can assist with copywriting, graphic design, personalization, translation, quality control, and optimization.
Generate a first version of the content
Based on a brief, AI can suggest an object, a preheader, a title, several paragraphs, and different calls to action. It can also adapt the tone to a sector, a brand, or a target audience.
This feature accelerates the startup phase. It avoids writer's block and allows teams to quickly compare several approaches.
However, generating content does not eliminate the need for proofreading. Texts must be checked from an editorial, legal, and commercial perspective. AI can produce generic wording, vague promises, or information that doesn't accurately reflect the offer.
Create variations
One of the most interesting applications lies in the production of variations. Starting from a main message, AI can propose several objects, several titles, or several formulations of the same call to action.
These variations can be used for A/B testing or campaigns tailored to different segments. Creating multiple versions becomes faster and less expensive.
The main challenge is to avoid an uncontrolled proliferation of content. Not all variations are necessarily worth testing. Teams must define clear hypotheses and select the proposals that offer a truly significant difference.
Adapt content to segments
AI can reformulate a message based on the recipient's level of knowledge, their industry, their history, or their stage in the... customer journey.
The same product can therefore be presented from a different angle to a prospect, a new customer or an experienced user.
This personalization requires robust data and content governance. Usage rules must be explicit, and sensitive information must remain protected.
Assist with layout
Some tools can suggest a structure based on the campaign type, the number of products, or the amount of available content. AI can recommend the hierarchy of blocks, the placement of calls to action, or the length of texts.
She can also adapt a composition to several formats and suggest adjustments to improve readability.
Human intervention remains essential to ensure consistency with brand identity and communication objectives. A technically correct layout is not always the most effective from a marketing perspective.
Facilitate location
Translation is another major area. AI can quickly produce multilingual versions and adapt certain expressions to the cultural context.
This capability is of particular interest to international organizations that need to roll out a campaign in many countries.
However, machine translation requires local validation. Tone, cultural references, date formats, pricing, and regulatory constraints may vary from market to market.
Strengthen quality control
Artificial intelligence can analyze the email before it is sent. It can flag a missing link, an absent alt text, ambiguous wording, an inconsistency in tone, or a readability problem.
It can compare the content to brand guidelines and detect any deviations. In an industrial environment, these automated checks reduce the number of simple and repetitive errors.
They do not replace actual technical testing or human validation. They constitute an additional layer of security.
What AI can already bring
AI can accelerate writing, generate variants, facilitate translation, suggest a structure and automate certain checks.
However, it does not guarantee marketing relevance, the accuracy of information, or legal compliance. Human supervision remains central.
From assisted generation to agentic email builders
The next step could be that of agentic email buildersIn this model, the user no longer simply asks the AI to write a paragraph or modify an object. They entrust it with a more comprehensive objective.
Instructions could specify the target audience, the offer, the sales period, the products to be highlighted, and the expected performance indicators.
The system could then search for the necessary information in authorized sources, select the appropriate components, generate a first version of the campaign, create several variants, apply the brand rules and prepare the elements necessary for validation.
It could also check the links, verify the mandatory information and adapt the message for multiple segments or multiple languages.
AGENTIC EMAIL BUILDER
An agentic email builder could receive a marketing objective, leverage authorized content and data, assemble a campaign, and prepare its variations. Its role would no longer be solely to assist the user, but to take charge of a complete part of the workflow, under human control.
Such a development would bring email builders closer to marketing orchestration platforms. The line between content creation, data management and campaign execution would gradually become more blurred.
However, the autonomy of these agents must remain regulated. Companies will need to define the usable sources, the authorized actions, the validation rules, and the situations that require human intervention.
Testing, accessibility and quality control
An email cannot be considered complete as soon as its layout appears correct in the builder. It still needs to be tested in several environments.
The controls include display in major messaging services, mobile behavior, dark mode, message size, links, tracking settings and dynamic content.
Accessibility must also be considered from the design stage. Readability depends on font size, contrast, heading hierarchy, and the clarity of calls to action.
Images must have relevant alternative text. The message must remain understandable even when the images are not loaded. Buttons must be large enough, and links must be identifiable without relying solely on their color.
CHECKLIST BEFORE SENDING
Check the rendering on desktop and mobile, dark mode, links, alternative texts, personalization variables, tracking settings, legal notices and total message size.
The email builder can incorporate some of these rules, but it doesn't automatically guarantee accessibility. Quality also depends on the templates, components, and practices defined by the organization.
How to choose an email builder?
Choosing an email builder shouldn't be based solely on the simplicity of its interface. A very easy-to-use tool can become limiting when the needs for personalization, collaboration, or governance increase.
The evaluation must begin with actual usage. The company must specify the number of campaigns produced, user profiles, languages, brands, sending platforms, and the expected level of personalization.
The quality of the generated code is a primary criterion. The code must be robust enough to ensure consistent display across major messaging platforms. It's also essential to verify message size and the ability to access the code when specific adjustments are needed.
Component management also plays a central role. The tool must allow users to create, save, update, and potentially lock reusable blocks.
Collaboration features should correspond to the organization of teams: comments, validations, version control, change history and access rights.
Integrations with sending platforms, CRMs, CDPs, DAMs and other tools in the martech stack must be studied based on real-world use cases.
It is also necessary to verify the handling of variables, conditions, dynamic content and external data.
Artificial intelligence functions must be evaluated with caution. The presence of a text generator is not enough to transform an email builder into an intelligent platform. The quality of the proposals, the ability to respect the brand's tone, the confidentiality of the data, and the possibility of controlling the sources used must be examined.
Finally, portability and total cost must be considered. A strong dependence on a single tool can complicate future migrations. License fees represent only part of the cost: integration, model creation, training, and maintenance must also be factored into the analysis.
Questions to ask before choosing
- Does the tool produce reliable code?
- Can it handle a modular design system?
- Does it integrate with existing platforms?
- Does it allow testing of dynamic content?
- Is the data used by AI still protected?
- Can the models be exported or migrated?
Deploy an email builder within the organization
Deploying an email builder is not simply a matter of purchasing a license and granting access to teams. The tool must be integrated into a comprehensive process.
The first step is to analyze existing campaigns. Models, components, graphic rules and technical constraints must be identified.
The organization can then define its email design system. This phase should involve the marketing, creative, and technical teams. The components must meet editorial needs while respecting display constraints.
A pilot project allows the tool to be tested on several types of campaigns. It helps to identify limitations, adjust components, and define roles.
The training should cover both the use of the software and best production practices. An email builder doesn't protect against all poor choices. A user can still overload a message, include too many calls to action, or use inappropriate images.
Finally, indicators must measure the results of the deployment: average creation time, number of round trips, component reuse rate, number of errors detected, average production cost and compliance with brand rules.
These indicators allow us to measure the real value of the tool, beyond the simple impression of ease of use.
Recommended indicators
- Average production time of a campaign
- Number of validation steps
- Percentage of components reused
- Number of errors detected before sending
- Average cost of creating an email
- Number of campaigns produced per user
Towards a content operations platform
The evolution of email builders is part of a broader trend. Organizations are seeking to industrialize content production across all their platforms. canals.
The same products, offers and messages must be adapted for emails, websites, applications, social networks and advertising platforms.
From this perspective, the email builder can become one of the components of a platform for content operationsContent is no longer created separately for each campaign. It is structured, stored, and reused in different formats.
Artificial intelligence reinforces this logic. It can adapt source content to multiple formats, summarize a description, generate multiple titles, or offer a version specific to a channel.
The value of the email builder will then depend less on its graphical interface than on its ability to connect to the company's data, content and workflows.
Evolution of the role of the email builder
Evolution of the role of the email builder From visual editor to content operations
Visual Editor
Component Library
Collaborative tool
Customization platform
AI-assisted production environment
Content operations building block
Conclusion
Email builders initially democratized campaign creation through visual interfaces and drag-and-drop functionality. They reduced reliance on developers and accelerated message deployment.
Their role now goes far beyond simple layout. The most advanced solutions organize components, manage access rights, centralize approvals, and facilitate customization.
Artificial intelligence is ushering in a new era. It can accelerate writing, create variations, adapt content, assist with translation, and enhance quality control. In the longer term, AI could take over a complete part of the production process, from the initial brief to campaign preparation.
This automation will not eliminate the role of marketing, creative, and technical teams. It will shift their focus towards strategy, governance, oversight, and quality.
The email builder of tomorrow will therefore no longer be just an editor. It will become a connected, modular, and AI-assisted marketing production platform.capable of reconciling speed, personalization, consistency and control.
Some references
- « Web Content Accessibility Guidelines (WCAG) 2.2 » – Accessibility Guidelines Working Group – World Wide Web Consortium (W3C) – October 2023. This recommendation constitutes the reference basis for contrasts, alternative texts, readability and accessible structuring of digital content.
- « Can I email… Support tables for HTML and CSS in emails » – Can I Email Team – Can I Email – continuously updated database, accessed in June 2026. This resource allows you to check the support of HTML and CSS properties by different email clients.
- « About Email Builder » – Mailchimp Team – Intuit Mailchimp – documentation continuously updated, accessed in June 2026. The documentation presents block-based creation principles, templates, and visual editor features.
- « The Ultimate Guide to Email Accessibility » – Email on Acid Team – Sinch Email – guide updated regularly, accessed in June 2026. It covers in particular alternative texts, semantic structure, contrasts and compatibility with assistive technologies.
- « Email Marketing Benchmarks and Trends » – Litmus Team – Litmus – resource updated regularly, accessed in June 2026. Litmus analyses provide insight into production practices, testing and campaign performance.
- « HTML Email » – Mozilla Contributors – MDN Web Docs – documentation continuously updated, accessed in June 2026. This resource outlines the constraints specific to HTML for email and the differences with classic web development.
