Real-World Case Studies and Customer Success Stories with Mailjet

Mailjet helped Chingu automate onboarding and project updates for its global developer community. Manual email processes slowed growth and caused missed messages. With Mailjet’s templates and transac...tional API, Chingu now sends about 10,000 emails monthly with reliable delivery. The team saves hours by using pre-built templates and segmented lists. Engagement stays high as Mailjet broadcasts pair with Discord announcements.
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Mailjet helps MileIQ by Microsoft send 10 million transactional emails each month. MileIQ needed a scalable, reliable email solution to support user-triggered messages. Mailjet provided dedicated tec...hnical support and ensured high deliverability. The platform grows with MileIQ's business needs. MileIQ relies on Mailjet for expert support and confidence in email delivery.
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Mailjet’s API helped My AskAI launch an AI-powered email assistant. My AskAI needed to process and reply to support emails in real time but lacked the right infrastructure. Mailjet’s robust API enabl...ed instant, automated replies and seamless integration with Zendesk, Intercom, Gorgias, and Freshdesk. The solution resolved 75% of support tickets through AI and processed about 10,000 emails per month. My AskAI unlocked thousands in new monthly revenue and scaled support confidently.
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Mailjet helped happn scale CRM across 30 countries and 15 languages. The team used Mailjet to build email templates, improve delivery tracking, and simplify collaboration. happn localized messages fa...st and kept brand consistency. The platform supported transactional emails for 26 million users. This enabled happn to expand globally and boost campaign performance.
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Mailjet helped Sketchfab scale its transactional email system. Sketchfab switched from an in-house SMTP to Mailjet for better deliverability and easy API integration. The platform now sends personali...zed emails reliably and syncs user preferences in real time. Users can control notifications, improving engagement. Mailjet's built-in best practices make sender reputation management simple.
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Mailjet helped Videostream improve email deliverability and cut costs. Videostream used segmentation and list cleaning to boost engagement. Open rates jumped from under 2% to over 18%. Total opens in...creased by 415%, and cost per open dropped from $20.14 to $2.02. Videostream saw a 10x increase in email ROI by focusing on quality over quantity.
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Mailjet White Label helped 1&1 IONOS send emails for millions of customers. 1&1 IONOS needed a simple, fast, and cost-effective newsletter solution for its clients. Mailjet provided agile integration... and strong white label technology. The partnership supports 12 million domains and 8.3 million customer contracts. Small and medium businesses benefit from easy-to-use, reliable email marketing. The solution helps IONOS improve customer retention and communication.
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Mailjet helped PetrolPrices.com speed up email campaigns and save time. The old system was slow and hard to control. With Mailjet, they got easy templates, flexible APIs, and strong inbox delivery. G...DPR compliance and EU data hosting gave peace of mind. The team now manages campaigns faster and reaches more subscribers.
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Mailjet helped Galeries Lafayette replace printed receipts with digital emails. The goal was to support sustainability and improve the checkout experience. Mailjet provided reliable email delivery, f...lexible templates, and technical support. Galeries Lafayette now sends 50,000 paperless receipts each month. They achieve a 97% email delivery rate. This reduces environmental impact and modernizes their retail operations.
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Mailjet helped La Liga launch transactional emails at scale for its new app, La Liga Fantasy. La Liga needed a fast, scalable email solution to onboard hundreds of thousands of users quickly. Mailjet... provided a flexible API, fast integration, and managed deliverability services. La Liga achieved a 99% deliverability rate and reached 700,000 monthly users. The app launched on time for the football season, improving user engagement and adoption.
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Mailjet helped UpToPar Management cut campaign time by 66%. The team now spends only 6 hours per week on email, down from 18. They achieved a 30% open rate, up from 5%. Mailjet’s collaboration tools ...and template manager improved workflow. UpToPar saved $12,480 per year and expanded without hiring more staff.
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Mailjet helped Mention Me scale its referral platform with secure, high-volume transactional email. Mention Me needed a reliable way to send referral emails for clients, with strong data protection. ...Mailjet delivered consistent, high-performance email delivery. Mention Me's clients saw up to 25% more new customers through peer-to-peer referral programs. The platform supported over 1000% growth in email volume.
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Mailjet helped J!NX speed up email creation and empower non-technical teams. Before Mailjet, J!NX struggled with slow, developer-heavy email workflows and could not easily create responsive, branded ...emails. With Mailjet’s drag-and-drop editor and MJML framework, J!NX designers now build on-brand, responsive emails without coding. The platform improved creative control and streamlined email production. J!NX also uses Mailjet’s Send API for better customer service and team collaboration.
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