Mailjet
B · Infrastructure & DataSubsidiaryCombines developer-friendly email API infrastructure with intuitive marketing tools, enabling teams to collaborate on email campaigns while ensuring high deliverability and GDPR compliance.
Last updated Feb 18, 2026
- Industry
- Email Service Provider (ESP) / Marketing Technology
- Business Model
- SaaS
- Target Market
- SMB, Mid-Market, Enterprise
- Employee Count
- 51-200
- Funding
- $11.6M
- Revenue Range
- $10M-$50M
- Parent Company
- Sinch AB
- API Available
- Yes
Market Position
Leading European ESP with global reach, part of Sinch Email division serving 150,000+ customers
Overview
Mailjet is a cloud-based email service provider (ESP) that specializes in both transactional and marketing email solutions for businesses. Founded in 2010, the company provides a comprehensive email delivery platform that combines powerful API infrastructure for developers with user-friendly marketing tools for non-technical teams. Mailjet enables businesses to send, track, and optimize email communications at scale through its robust delivery infrastructure and real-time analytics capabilities. In 2019, Mailjet merged with Mailgun to form Sinch Email (under parent company Sinch AB), creating one of the largest email delivery platforms globally. The combined entity serves over 150,000 customers worldwide, processing billions of emails monthly. Mailjet's position in the MarTech/AdTech ecosystem focuses on the email communication layer, providing essential infrastructure for customer engagement, marketing campaigns, and transactional notifications. The platform is particularly known for its collaborative email creation features, GDPR compliance focus, and strong presence in the European market.
Products & Features
Email API
RESTful API for sending transactional emails with high deliverability and real-time tracking
Marketing Campaigns
Drag-and-drop email builder with templates, segmentation, and A/B testing for marketing teams
SMTP Relay
Reliable SMTP service for integrating email sending into existing applications
Contact Management
Centralized contact database with list segmentation and subscription management
Real-time Analytics
Comprehensive email performance metrics including opens, clicks, bounces, and deliverability statistics
Passport
Collaborative email creation tool allowing multiple team members to work together on campaigns
Key Features
Collaborative email editor (Passport)Real-time email analytics and trackingAdvanced segmentation and personalizationA/B testing capabilitiesTemplate library and drag-and-drop builderMulti-user account managementDedicated IP addressesEmail validation and list cleaningWebhook supportInbox preview testing
Use Cases
Transactional email delivery (receipts, notifications, password resets)Marketing campaign management and automationNewsletter distributionE-commerce order confirmations and shipping updatesSaaS application notificationsEvent-triggered email workflowsCustomer onboarding sequencesMulti-brand email management
Customer Segments
E-commerce businessesSaaS companiesDigital agenciesMedia and publishing companiesStartups and scale-upsEnterprise organizationsMarketing teamsDevelopers and technical teams