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Best HTML Email Builders for Marketers (2025 Edition)

Best HTML Email Builders for Marketers (2025 Edition)
Best HTML Email Builders for Marketers (2025 Edition)

Email marketing is still highly effective in 2025, with a 4,200% ROI and 89% open rates. To succeed, you need tools that make designing mobile-friendly, professional emails easy – no coding required. Here are the top email builders:

  • Groupmail: Affordable, simple drag-and-drop editor, 35+ free templates, and multi-SMTP integration for better deliverability.
  • Mailchimp: Popular all-in-one platform with 250+ templates, automation, and advanced analytics.
  • Constant Contact: Beginner-friendly tool with 200+ templates and strong customer support.
  • BeePro: Design-focused platform with 1,700+ templates and powerful customization options.

Quick Comparison

Feature Groupmail Mailchimp Constant Contact BeePro
Drag-and-Drop Editor Yes Yes Yes Yes
Templates 35+ free 250+ 200+ 1,700+
SMTP Integration Multi-SMTP support Transactional add-on Zapier workaround Export to platforms
Pricing (Starting) $0 (Free plan) $13/month $12/month $30/month
Best For Cost-conscious users All-in-one needs Beginners Design-focused teams

Whether you want simplicity, robust features, or design flexibility, there’s an email builder for you. Dive into the article to find the perfect match for your needs.

5 Best Email Design Software Tools 2024 (Email Template Builder)

1. Groupmail

Groupmail

Groupmail provides a straightforward yet effective email marketing solution, making it easy to create visually appealing, responsive, and deliverable emails. With consistent ratings of 4.3/5 across major review platforms like Capterra, GetApp, and Software Advice, and a 90% positive user review rate, it’s clear why marketers of all experience levels trust this tool.

Drag-and-Drop Builder

Groupmail’s drag-and-drop builder removes the need for technical know-how, allowing users to design attractive emails without any coding skills. The WYSIWYG editor makes it simple to add images, social icons, and content blocks.

"With our simple drag-and-drop editor, you can create beautiful, responsive emails that reflect your brand – no tech experience needed." – GroupMail

"Creating and Maintaining Email Campaigns has been easy due to GroupMail. Interface is simple but has good features for good Email marketing. It’s easy to use and for beginners its easy to learn." – Revanth S., Application Engineer

This user-friendly design ensures marketers can focus on crafting compelling content. And if you’re looking for inspiration, Groupmail’s comprehensive template library has you covered.

Template Library

Groupmail offers an impressive library of over 35 free email templates tailored to a variety of campaigns and themes. Whether you’re planning holiday promotions for Christmas, St. Patrick’s Day, Easter, or the 4th of July, or need industry-specific designs for fields like real estate, there’s a template for nearly every occasion.

Customization Options

Groupmail goes beyond pre-designed templates, offering advanced customization features. Users can add their own HTML emails for full creative control, or tweak existing designs to match their brand identity. Additional tools like built-in image editing, storage options, and video or HTML content blocks provide the flexibility needed to create engaging campaigns.

SMTP Integration

Groupmail’s SMTP integration enhances email delivery by supporting multiple SMTP servers. This feature allows organizations to distribute their email-sending load across different accounts using a single interface. The platform’s multi-SMTP capability is particularly useful for businesses with varied email needs. By using professional SMTP settings, Groupmail improves deliverability and minimizes filtering issues.

The platform also simplifies SMTP configuration, supporting standard port 25 for regular connections and port 465 for SSL-secured transmissions. To ensure compliance with anti-spam regulations, Groupmail automatically adds unsubscribe links and handles opt-out requests seamlessly.

2. Mailchimp

Mailchimp, with over 12 million users globally, has become a well-known name in email marketing. It boasts an overall rating of 4/5 and a 4.5/5 score for its features. To cater to different user preferences, Mailchimp offers two email builders: a modern version and a classic one.

Drag-and-Drop Builder

Mailchimp’s drag-and-drop builders – both the modern and classic versions – offer flexibility and ease of use. The modern builder includes features like undo/redo, inline editing, and access to over 75 email templates. It also supports third-party integrations, spacing tools, and feedback modules, making it a powerful tool for creating polished campaigns. Additionally, the editor is designed to be fast and user-friendly, with a built-in error-checking tool that flags potential issues before emails are sent. Combined with its extensive template library, this setup simplifies the process of designing professional emails.

Template Library

Mailchimp provides a robust library of over 250 mobile-friendly templates, tailored to various industries and design needs. While free plan users get access to a limited selection, paid plans unlock the full library. Pre-built layouts, such as Image & Text or Text & Text configurations, make it easy to create structured content areas. For those who prefer custom designs, Mailchimp supports importing templates through code, HTML, or ZIP files. With over 500 million emails sent daily and a deliverability rate exceeding 99%, Mailchimp ensures reliable and effective email campaigns. This versatility in templates allows users to create highly personalized emails.

Customization Options

Mailchimp stands out with its flexible customization features. Users can adjust individual content block styles without affecting the email’s default settings. The modern builder offers a range of content blocks and styling tools to help maintain brand consistency across devices. For advanced users, the classic builder allows custom coding. Additionally, the Content Optimizer provides personalized recommendations based on industry best practices, making it easy for non-coders to create professional-looking emails. These tools strike a balance between simplicity and advanced functionality.

SMTP Integration

Mailchimp supports SMTP integration through its Mailchimp Transactional Email service (formerly known as Mandrill), which is available as an add-on for paid marketing plans. Starting at $20 for 25,000 emails, this feature enhances email deliverability, prevents spam, and supports bulk messaging. Users can also customize emails using SMTP headers to track and apply specific options. This integration ensures consistent, reliable email delivery for businesses looking to scale their email campaigns effectively.

3. Constant Contact

Constant Contact

Constant Contact, the second-largest email marketing provider, holds a 4.3/5 star rating and was featured on the 2025 Capterra Shortlists for top lead generation, contact management, and SMS marketing software. It’s particularly known for being easy to use, making it a favorite among beginners and small businesses.

Drag-and-Drop Builder

Constant Contact’s drag-and-drop email editor simplifies the process of designing professional-looking emails, even for those without coding experience. Users praise its intuitive interface, giving it a 4.0/5.0 for email design features and 4.5/5.0 for overall ease of use. The editor includes pre-made content blocks for headings, layouts, images, footers, and call-to-action buttons.

"The dashboard is extremely easy to navigate. The layout is clean. The block builder for campaigns is simple drag-and-drop, and there’s plenty of memory to store photos and PDFs. The data is easy to understand (opens, CTR, etc.)." – David M., Director of Communications and PR

A standout feature is the "Check for Errors" option, which flags issues like overly long subject lines or broken links before you hit send. This built-in tool is a lifesaver for non-technical users who want to ensure their emails are polished.

Template Library

With over 200 mobile-responsive email templates, Constant Contact has designs for newsletters, announcements, and various campaigns, including welcome messages, seasonal promotions, events, and more. Templates can be filtered by email type, industry, or layout preferences, making it easy to find the perfect fit.

The platform also streamlines branding by automatically pulling your logo and colors directly from your website. Popular templates include the Showcase Template for product galleries and the Retail Coupon Template for promotional campaigns.

"Constant Contact templates make me look like a pro!" – Liz Fanning, CorpsAfrica

Customization Options

Whether you’re tweaking pre-built templates or starting from scratch, Constant Contact offers extensive customization options. You can adjust everything from colors to fonts and layouts using the drag-and-drop editor.

"It is easy to create aesthetically pleasing emails that get read!" – Caitlin S., CEO, Performing Arts

SMTP Integration

Unlike some platforms, Constant Contact doesn’t support direct SMTP integration. Instead, it uses its own authenticated servers for email delivery. However, for those who need SMTP functionality, Zapier provides a workaround by connecting Constant Contact to third-party SMTP services.

Next, we’ll take a closer look at BeePro to see how it compares for email marketing solutions.

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4. BeePro

BeePro

BeePro is a design-focused tool for crafting professional emails, offering creative freedom without the complexity of full marketing automation. It’s a favorite among marketers who prioritize design and flexibility in their campaigns.

Drag-and-Drop Builder

BeePro’s drag-and-drop editor makes email creation simple, even for users without technical expertise. In fact, 81% of users report creating emails three times faster thanks to its streamlined interface. The editor automatically adjusts row and column widths, saving users from layout headaches. Adding elements like images, social media links, or even videos is just as easy – and requires no coding skills.

"With Beefree, we can easily bring all our design ideas to life without writing any code." – Daniela Ferreira, Media Lead Digital Designer at Reachdesk

For mobile optimization, BeePro includes a Mobile Design Mode. This feature lets you tweak text size, alignment, and visibility to ensure your emails look perfect on smaller screens.

Template Library

BeePro boasts a library of over 1,700 pre-designed templates tailored for various campaign needs. These include 1,548+ designs that can be filtered by categories like promotions, newsletters, seasonal themes, and more. Industry-specific options cover fields such as Marketing & Design, E-commerce, Webinars, and Human Resources. All templates are designed to be mobile-friendly, ensuring a polished look across devices.

"Users praise BeePro for its wide array of designs and templates, making it an excellent tool for creating professionally designed emails, akin to ‘Canva’ for email creation." – Tekpon Score

Customization Options

BeePro shines when it comes to customization. Whether you’re starting from scratch or tweaking a template, you can adjust colors, fonts, images, and layouts to align perfectly with your brand identity. To maintain consistency, you can set your company’s logos, fonts, and colors as defaults for all communications. Additionally, reusable content blocks for elements like headers, footers, and CTAs make future campaigns more efficient.

"Creating beautiful email designs is so much easier than it is in HubSpot." – Ryan Segal Cantellay, Operations at Vidcruiter

SMTP Integration

Instead of focusing on direct SMTP integration, BeePro emphasizes seamless export capabilities. You can send your designs directly to platforms like HubSpot or Mailchimp using its native integrations. For even more flexibility, the Custom Connector feature lets you export email and landing page designs via API, enabling compatibility with various email platforms, CRM systems, and enterprise tools.

"It’s easy to bring over emails designed in Beefree to HubSpot… it is fairly intuitive because I’ve been successful using it without reading any documentation or training." – Tamera Jones, Marketer, Advertising

This overview of BeePro’s features sets the stage for a deeper dive into its strengths and areas for improvement.

Strengths and Weaknesses

Email builders come with their own set of strengths and trade-offs, so choosing the right one depends on your team’s needs and goals. Here’s a closer look at some popular options:

Groupmail stands out for its affordability and flexibility. By integrating with third-party providers, it helps reduce sending costs compared to all-in-one platforms. Its drag-and-drop builder makes it easy to craft intricate designs without needing coding skills, and real-time analytics offer quick feedback on your campaigns. However, Groupmail is primarily designed for email campaigns, so it might not be the best fit for businesses looking for a broader range of marketing automation tools. This makes it a great choice for marketers who want responsive design without technical hurdles.

Mailchimp provides a comprehensive platform with a simple interface, covering everything from email design to advanced automation and in-depth reporting. For example, Spotify used Mailchimp’s Email Verification API to cut its bounce rate from 12.3% to 2.1% in 60 days, which helped improve deliverability and added $2.3 million in revenue. The downside? Costs can climb quickly as your contact list grows, which could be a concern for small businesses with limited budgets. That said, its drag-and-drop builder is excellent for creating HTML emails that look great across devices.

Constant Contact is known for its strong customer support and beginner-friendly approach. It offers plenty of educational resources and dedicated phone support, making it ideal for small businesses just starting with email marketing. Its event management features are an added bonus. However, it lacks some of the advanced customization and integrations offered by platforms tailored to more technical users. Its no-code builder ensures that marketers can easily create responsive campaigns without a steep learning curve.

BeePro focuses on giving users creative control and design flexibility. With a rich library of pre-designed templates and robust customization options, it’s perfect for brands wanting visually stunning emails. However, BeePro is primarily a design tool, so you’ll need additional software for list management, automation, and analytics. Its drag-and-drop editor is particularly effective for crafting visually appealing HTML emails.

Here’s a quick comparison of key features:

Feature Groupmail Mailchimp Constant Contact BeePro
Drag-and-Drop Builder ✅ Full-featured ✅ Comprehensive ✅ Beginner-friendly ✅ Design-focused
Template Library ✅ Mobile-optimized ✅ Wide variety ✅ Industry-specific ✅ Extensive options
SMTP Integration ✅ Via third-party providers ✅ Built-in ✅ Built-in ✅ Export to platforms
Pricing (Starting) $0 (Free plan) $13/month $12/month $30/month
Best For Cost-conscious marketers All-in-one marketing Small business beginners Design-focused campaigns
Main Limitation Limited to email features High costs as list grows Fewer advanced options No built-in campaign tools

The right email builder for you depends on your priorities – whether it’s cost, integration, ease of use, or design control. Responsive design is especially critical, as 36.1% of marketers cite template adaptability as a challenge. With 71.5% of users checking emails on mobile devices, having a builder with strong drag-and-drop functionality is essential.

If you’re on a tight budget, Groupmail’s cost-effective features might be the way to go. For those seeking an all-in-one marketing solution, Mailchimp offers a robust ecosystem. Creative teams may prefer BeePro for its design tools, while small businesses could benefit from Constant Contact’s supportive resources.

"Responsive email design ensures that your email formatting adjusts depending on the recipient’s screen size, providing an optimal user experience whether the email is viewed on mobile phone, tablet, or desktop."
– Mary Kate Miller, Contributor

Conclusion

When it comes to selecting the best HTML email builder for 2025, one option clearly rises above the rest. The key is finding a tool that aligns with your needs – one that offers responsive design, an intuitive drag-and-drop editor, and seamless SMTP integration. Groupmail checks all these boxes.

With over 25 years of experience in powering professional email campaigns, Groupmail has built a strong reputation. It holds an impressive Capterra rating of 4.3 out of 5, with 90% of users leaving positive reviews. Even better, its free plan makes it accessible for businesses of all sizes, and paid plans are budget-friendly, starting at just $10 per month.

Groupmail’s third-party SMTP integration is a standout feature, providing marketers with the flexibility to manage costs and scale email delivery as needed. This level of control is invaluable for businesses aiming to optimize their campaigns.

Whether you’re a small business owner crafting your first newsletter or a seasoned marketer juggling multiple campaigns, Groupmail combines responsive design, ease of use, and flexible SMTP options to make it the go-to choice for email marketing in 2025.

FAQs

How does Groupmail’s SMTP integration improve email deliverability?

Groupmail’s SMTP integration puts users in charge of their email delivery by enabling them to set up and manage their own SMTP servers. This added control not only boosts the likelihood of emails landing in inboxes but also minimizes the risk of messages being marked as spam.

Users can also adjust delivery settings to suit their needs, such as tweaking sending speeds or choosing dependable SMTP providers. These customization options ensure that emails are sent effectively and reach their intended audience, offering a clear edge over basic built-in sending options.

What customization features does Groupmail provide to help create professional, brand-aligned email campaigns?

Groupmail provides a variety of tools to help you create polished, on-brand email campaigns with ease. You can work with customizable HTML templates, include personalized attachments, and even link your social media profiles to boost interaction. The platform allows you to schedule and automate your campaigns while offering real-time tracking to keep tabs on their performance.

What makes Groupmail a budget-friendly choice for businesses starting email marketing in 2025?

Groupmail offers a budget-friendly option for businesses by cutting out recurring expenses. Unlike many other email platforms, you can start with a generous free plan. Users can later upgrade to gain the ability to send unlimited email campaigns, making it a smart choice for marketers aiming to stretch their budgets in 2025.

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  • Best Practices for Responsive Email Templates (2025 Guide)

Published June 26, 2025By Robert Martin
Categorized as Email Marketing Tagged drag-and-drop editor, email marketing tools, email templates, HTML email builders, responsive design

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