Email marketing remains one of the highest ROI marketing channels available.

However, manually sending emails, segmenting subscribers, and managing customer journeys can quickly become overwhelming.

That’s where email automation software comes in.

Modern email automation platforms can automatically send personalized emails, nurture leads, recover abandoned carts, and engage customers at scale.

In this guide, we’ll compare the best email automation software available in 2026.

If you’re exploring broader AI-powered automation solutions, start with our Best AI Automation Tools guide.

What Is Email Automation Software?

Email automation software allows businesses to automatically send emails based on customer actions, triggers, and workflows.

Common examples include:

• Welcome email sequences
• Lead nurturing campaigns
• Abandoned cart emails
• Product recommendations
• Re-engagement campaigns
• Customer onboarding emails

Automation ensures that the right message reaches the right person at the right time.

Benefits of Email Automation Software

Save Time

Reduce manual email management.

Improve Engagement

Deliver relevant messages automatically.

Increase Conversions

Nurture leads more effectively.

Personalize Communication

Send targeted messages based on customer behavior.

Scale Marketing Efforts

Reach larger audiences without increasing workload.

How We Evaluated These Platforms

We ranked tools based on:

• Automation capabilities
• Ease of use
• Email deliverability
• Segmentation features
• AI capabilities
• Pricing

1. ActiveCampaign

ActiveCampaign remains one of the most powerful email automation platforms available.

Its automation builder makes it easy to create highly personalized customer journeys.

Best For

• Lead nurturing
• Customer journeys
• Marketing automation

Pros

• Powerful automation workflows
• Advanced segmentation
• CRM integration
• Strong deliverability

Cons

• More complex than beginner-focused tools

Rating

⭐⭐⭐⭐⭐

2. HubSpot

HubSpot combines email marketing, CRM, and marketing automation into one platform.

Best For

• Inbound marketing
• CRM-based email automation

Rating

⭐⭐⭐⭐⭐

3. Brevo

Brevo offers email automation features at an affordable price.

Best For

• Small businesses
• Budget-conscious teams

Rating

⭐⭐⭐⭐⭐

4. Mailchimp

Mailchimp remains one of the most recognizable email marketing platforms.

Best For

• Beginners
• Small businesses

Rating

⭐⭐⭐⭐☆

5. ConvertKit

ConvertKit is popular among creators, bloggers, and newsletter businesses.

Best For

• Content creators
• Newsletter marketing

Rating

⭐⭐⭐⭐☆

6. GetResponse

GetResponse combines email marketing with landing pages and automation.

Best For

• Online businesses
• Lead generation

Rating

⭐⭐⭐⭐☆

7. Relay.app

While not a traditional email marketing platform, Relay.app can automate email-related workflows across multiple applications and marketing tools.

Read our Relay.app Review.

Rating

⭐⭐⭐⭐☆

Email Automation Software Comparison Table

Which Email Automation Software Is Best?

The best platform depends on your business type and marketing goals.

Best Overall

ActiveCampaign

ActiveCampaign offers one of the most powerful email automation systems available today.

Best CRM + Email Marketing Platform

HubSpot

Perfect for businesses that want marketing automation integrated with CRM capabilities.

Best for Small Businesses

Brevo

Affordable pricing and strong automation features make Brevo an attractive choice.

Best for Creators

ConvertKit

Excellent for bloggers, newsletter publishers, and content creators.

Best Workflow Automation Solution

Relay.app

Relay.app can automate email workflows across multiple platforms while incorporating AI-powered actions.

Read our complete Relay.app Review.

Common Email Automation Workflows

Welcome Email Series

Automatically send onboarding emails to new subscribers.

Example Workflow

1. User subscribes
2. Welcome email sent
3. Educational email sent after 2 days
4. Product offer sent after 5 days

Lead Nurturing Campaigns

Automatically guide prospects through the buying journey.

Benefits include:

• Higher engagement
• Better conversion rates
• Consistent communication

Abandoned Cart Recovery

Automatically remind customers to complete purchases.

Many businesses recover significant revenue using these workflows.

Customer Re-Engagement

Automatically reconnect with inactive subscribers.

Examples:

• Special offers
• Product updates
• Personalized recommendations

Post-Purchase Automation

Automatically:

• Send receipts
• Request reviews
• Recommend products
• Deliver onboarding materials

Email Automation Software vs Marketing Automation Software

These terms are related but different.

Email Automation Software

Focused primarily on email campaigns and customer communications.

Examples:

• ActiveCampaign
• Mailchimp
• ConvertKit

Marketing Automation Software

Includes broader capabilities:

• Lead management
• CRM automation
• Analytics
• Multi-channel campaigns

Learn more in our AI Marketing Automation Tools guide.

How AI Is Improving Email Marketing

Artificial intelligence is helping marketers create better campaigns.

AI can:

Generate Email Content

Create subject lines, email copy, and campaign ideas.

Improve Segmentation

Automatically group subscribers based on behavior.

Predict Customer Actions

Identify customers most likely to convert.

Optimize Send Times

Deliver emails when recipients are most likely to engage.

Personalize Campaigns

Create tailored experiences for individual subscribers.

Learn more in our AI Automation Platform guide.

Frequently Asked Questions

What is email automation software?

Email automation software automatically sends emails based on customer actions, triggers, and workflows.

What is the best email automation software?

ActiveCampaign, HubSpot, and Brevo are among the strongest options available in 2026.

Can email automation increase sales?

Yes. Automated email sequences can improve engagement, conversions, and customer retention.

Is email automation suitable for small businesses?

Absolutely. Many platforms provide affordable plans for small businesses.

Does email automation require technical skills?

No. Most modern platforms provide visual workflow builders.

Final Verdict

Email automation software has become essential for modern marketing teams.

The ability to automatically nurture leads, engage customers, and drive conversions makes automation one of the highest ROI investments available.

For businesses focused on advanced automation, ActiveCampaign remains one of the strongest choices in 2026.

Businesses seeking a complete marketing ecosystem may prefer HubSpot, while smaller organizations may find Brevo more cost-effective.

If you want to automate workflows across multiple marketing tools, Relay.app is an excellent complement thanks to its AI-powered workflow automation capabilities.