Mailjet

Established European email service provider with strong collaborative features, now part of Sinch's global cloud communications portfolio

Mailjet, now part of Sinch following its 2021 acquisition, is a cloud-based email platform that enables businesses to design, send, and track both marketing and transactional emails. Founded in Paris in 2010, Mailjet built a reputation for its collaborative email editor, robust SMTP relay infrastructure, and developer-friendly APIs, making it a popular choice for startups, SMBs, and growing enterprises across Europe and beyond. The platform supports real-time collaboration on email templates, advanced segmentation, and detailed analytics. Sinch acquired Mailjet as part of its $1.9 billion purchase of Pathwire in September 2021, a deal that also included Mailgun, another leading email delivery platform. This acquisition positioned Sinch as a comprehensive cloud communications provider with strong email capabilities alongside its existing SMS, voice, and messaging services. Under Sinch's ownership, Mailjet continues to operate as a distinct brand serving its established customer base. Within the broader AdTech and MarTech ecosystem, Mailjet competes with platforms like Mailchimp, SendGrid, and Brevo (formerly Sendinblue). Its key differentiators include a genuinely collaborative email builder designed for teams, strong GDPR compliance rooted in its European origins, and a flexible pricing model that scales from free tiers to high-volume enterprise plans. The platform's dual focus on marketing and transactional email in a single product makes it particularly attractive to mid-market companies seeking to consolidate their email stack.