Mailjet vs ActiveCampaign

ActiveCampaign charges by contacts. Mailjet doesn’t.

Mailjet helps marketers and developers run campaigns and transactional email in one platform.

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Why teams leave ActiveCampaign for Mailjet

Teams choose Mailjet to simplify how marketing and developers create, send, and manage email, while keeping costs predictable as their programs grow.

Built for predictable growth

Volume-based pricing lets teams grow their audience without pricing increasing based on contact count.

Marketing & transactional email combined

Run campaigns and transactional email in the same platform, with native SMTP and API access for developers.

Designed for real team workflows

Real-time collaborative editing, comments, and shared templates help marketing, design, and developers ship faster together.

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Key differences between Mailjet and ActiveCampaign

Here are the key product and pricing differences teams consider when choosing an alternative to ActiveCampaign.

Capability
Mailjet
ActiveCampaign
Volume-based pricing
Unlimited contacts on core paid plans

On Essential and Premium plans
Marketing and transactional email in the same platform
Native SMTP relay
Real-time collaborative email editing
Template locking and shared brand assets
Native MJML email framework support
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FOR MARKETERS AND DEVELOPERS

One platform for every email use case

Mailjet brings marketing and transactional email into one shared workspace so marketing and developers can build, send, and scale email together without splitting tools.

  • Create and send marketing campaigns and transactional emails from the same platform

  • Use shared templates, brand assets, and permissions across marketing and developer workflows

  • Send at scale through one shared infrastructure, including native SMTP and API for developers

Mailjet security and data protection dashboard with GDPR compliance, ISO 27001 certification, and made-in-Europe assurance badges

MARKETER WORKFLOWS

Create, review, and ship campaigns faster

Mailjet gives marketing teams a fast email builder with real-time collaboration, shared templates, and brand controls, so campaigns can be created and reviewed without long handoffs.

  • Real-time collaborative editing with comments

  • Shared templates, brand assets, and locked sections

  • Faster reviews and handoffs for marketing and design

Mailjet API integration illustration showing code window connected to multiple endpoints for email automation

DEVELOPER TOOLS

Ship email fast with APIs

Integrate Mailjet in minutes with a single API for transactional and campaign email, designed to fit cleanly into production workflows and shared templates across teams.

  • Official SDKs (7 languages)

  • Clear, practical API docs

  • Sandbox-style test sending

View API Docs
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Mailjet security and data protection dashboard with GDPR compliance, ISO 27001 certification, and made-in-Europe assurance badges

SECURITY AND RELIABILITY

Built for secure, compliant email

Mailjet meets common enterprise security and compliance requirements for teams sending marketing and transactional email at scale.

  • ISO 27001 certified

  • GDPR aligned and compliant

  • EU-based data centers

View security and compliance
Statistics from Mailjet that allow for continuous improvement.

PREDICTABLE COSTS

Pricing built for growth, not gatekeeping

Mailjet pricing is based on email volume plans, so teams can focus on growing their audience without pricing being driven by contact count.

  • Simple, predictable pricing

  • Unlimited contacts on Essential and Premium plans

  • Flexibility as your sending needs change

Email was quickly becoming an important channel for us to communicate with our users however we really didn’t understand the nuances of how to manage our lists and our campaigns to effectively increase open rates, click-through rates, and deliverability. It was incredibly helpful to have the one-to-one consulting with Mailjet’s Technical Account Managers team to not only clean our lists of inactive users, but in doing so actually increase the total number of opens and clicks we were receiving by 10 fold.
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Matthew Gardner Co-Founder & Head of UX – Videostream
Mailjet has a user friendly platform and we can rest assured that the email system will deliver on time, every time. We are able to focus our efforts on our business and let the management of automated emails be taken care of by Mailjet. In addition, we know that the tool is up to date and takes into consideration the practical aspects of email automation and marketing, for example, Mailjet is the only platform that is certified as compliant with the new GDPR regulations, something that is very important for any business
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Eve Pattison Business Developer – BigTranslation

Switching from ActiveCampaign to Mailjet FAQs

Mailjet supports a straightforward migration by letting you recreate lists, segments, templates, and sending programs, and connect your existing stack through integrations and APIs. Teams typically move in stages, setting up authentication (SPF/DKIM), validating templates, and running parallel sends before switching fully.

Mailjet pricing is driven primarily by your monthly sending volume, not by the size of your contact list. In practice, this means your cost is based on how many emails you send, rather than how many contacts you keep, making spend easier to predict as your programs grow.

Mailjet supports core email marketing needs such as templates, segmentation, personalization, A/B testing, automation, and reporting, and also provides native transactional email and APIs for developer teams. It is designed to support teams that run both marketing and product email from one platform.

Yes. You can import contacts and properties (custom fields) using CSV or the API, map fields during import, and use those properties for segmentation and personalization.

Yes. Mailjet provides documentation and responsive support to help you set up domain authentication (SPF/DKIM), configure templates, and onboard via API or integrations. Marketing and technical resources are available to assist teams during migration.

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