Mailgun vs. Mailjet

150,000+ companies. 400 billion emails a year. 99.99% uptime — backed by SLA Mailgun is the full-stack email infrastructure platform developers and marketers trust to send, test, validate, and improve deliverability at scale. One platform covers the entire email lifecycle: preview and fix rendering issues before you send, clean your lists in real time, fire emails via API at any volume, and surface deliverability problems with AI before they cost you. SOC 2 Type I & II, HIPAA, GDPR, ISO 27001 certified. Trusted by Microsoft, Lyft, and American Express.

With GDPR-compliant infrastructure and proven deliverability, Mailjet is the best Email Marketing Software & Email API for Teams. Marketers design, deliver, and automate email newsletters and automations, while developers power high-volume transactional email via robust APIs and SMTP relay. Collaborative editing, templates, and approval flows keep teams fast and consistent; advanced segmentation, A/B testing, and analytics drive growth with every send. Built in Europe with privacy-first hosting options, Mailjet helps you reach the inbox at scale without compromising compliance.