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. Connect easily to your stack with native integrations for ecommerce, CRM, and data tools. More than 100,000 customers globally trust Mailjet to deliver critical messages and campaigns. Choose one platform that brings marketers and developers together.