How to Build Your Own Mailjet
Replace Mailjet with a custom build. Best Email Marketing Software & Email API for Teams
Build Difficulty: 4/5
A few focused days to build a solid replacement
Estimated Timeline
Based on 64 features at Few Days difficulty, expect about 3-5 days with AI-assisted development.
Recommended Tech Stack
Full-stack React framework with API routes and server components
PostgreSQL database, auth, and real-time subscriptions
Utility-first styling for rapid UI development
Transactional and marketing email delivery
Key Features to Replicate
Top features across 8 categories. See all 64 features
Support(9 features)
Full onboarding support and training for new customers setting up their email programs
Get help with any issues related to campaigns, sending, or deliverability from dedicated support team
Direct access to dedicated deliverability expert for high volume senders who helps review setup, strengthen practices, and guide program growth
Improve inbox placement with dedicated monitoring, reputation management, and proactive deliverability guidance
Work with deliverability and strategy specialists to optimize performance and scale email programs effectively
+4 more in this category
Analytics(8 features)
In-depth analytics and reporting for detailed campaign performance analysis
Track basic email deliverability performance and customer engagement metrics
Filter out non-human interactions from analytics to get more accurate overview
Compare campaign performance to gain deeper understanding of customer engagement
Gain deeper understanding of customer behavior through visual click mapping on emails
+3 more in this category
Deliverability(6 features)
Monitor sender reputation with blocklist monitoring for deliverability management
Protect sender reputation with a dedicated IP address that gives full control over deliverability
Manage sending reputation and avoid spam folder with expert-approved deliverability tools
Increase open rates and avoid spam folder by ensuring email addresses on list are real and valid before sending
Monitor and manage dedicated IP address performance and reputation
+1 more in this category
Team Management(6 features)
Lock specific actions on templates to protect brand assets while allowing collaboration
Allow multiple team members to access and work on campaigns with controlled permissions
Create emails with team directly in Mailjet's Email Editor with robust collaboration tools
Work together on emails and campaigns simultaneously with instant updates and shared version control
Assign roles and permissions to control access, maintain security, and collaborate efficiently across team
+1 more in this category
Integration(5 features)
Send transactional or marketing emails through a fast, reliable API built for developers and high-volume senders
Track email events like opens, clicks, bounces, and blocks in real time through a simple webhook endpoint
Receive and process incoming emails automatically by converting message content into structured data
Connect Mailjet to any application using SMTP credentials to send authenticated emails instantly
Receive real-time event notifications through webhook endpoints for email events
Design(4 features)
Adapt templates to reflect brand identity in a single click with saved brand assets and styling
Easy-to-use drag-and-drop email editor for designing responsive emails with templates, blank canvas options, or AI-assisted design
Library of thousands of professionally designed, pre-built email templates that are optimized across all email clients and screens
Publish high-converting pages using prebuilt templates or build custom pages to match brand style
Personalization(4 features)
Send a single campaign that displays different messages depending on who opens it for personalized communication
Powerful logic within email templates to show dynamic content tailored to each recipient
Drive personalized and targeted communications with dynamic content and templating language
Let subscribers choose the content and frequency they want to receive to keep engagement high and unsubscribes low
Compliance(3 features)
Customizable unsubscribe experience for subscribers
Built-in GDPR compliance features including subscription forms and contact management
GDPR-compliant forms for collecting subscriber preferences and managing consent
Cost Calculator
Keep Paying Mailjet
Build It Yourself
Total Cost Comparison
DIY hosting estimate based on Vercel + Supabase free/pro tiers (~$20/mo). Build time estimated from 64 features at easy complexity.