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About Mail Designer 365 – Create Stunning Emails on macOS

Welcome to our page about Mail Designer 365 – the powerful macOS app that helps you build beautiful, mobile-ready email newsletters with ease. Whether you’re a freelancer, marketer, or small business owner, you’ll find everything you need to bring your email ideas to life — directly on your Mac.

Made for Mac. Built for Professionals.

Designed exclusively for macOS, this email design tool puts creative control at your fingertips. A drag-and-drop editor, real device previews, and seamless export options make it simple to build campaigns that look amazing across all inboxes.

From bold promotional emails to sleek company newsletters, the app is trusted by creatives and teams around the world who value professional design and intuitive tools.

Who’s behind Mail Designer 365?

This solution is developed by TOWER ONE, a software company based in Munich, Germany. With over two decades of experience building apps for Apple users, the team at TOWER ONE is dedicated to making tools that blend powerful features with an outstanding user experience.

To learn more about our company and values, visit our corporate site:

About TOWER ONE →

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Want to know what makes Mail Designer 365 unique? Check out our feature overview or our Email Design Ideas.

See Mail Designer 365 in Action

An iMac displaying the Mail Designer 365 application. The main window displays an email template for "La Pizzeria" with a pizza image, and a dropdown menu from the "Campaigns" tab is open, showing options like "Send via SMTP account..." This demonstrates the software's email design and sending capabilities. A white keyboard and mouse are on the desk in front of the iMac, and a potted plant is on the left.

A person's hands are visible on a MacBook Pro keyboard, with the laptop screen displaying the Mail Designer 365 "TeamCloud" interface. The screen shows multiple email newsletter designs, illustrating how Team Cloud enables all users in a team to access and edit the team's templates collaboratively. Headphones and camera lenses are blurred in the background.A screenshot from the Mail Designer 365 software, showing an email design for a restaurant. The email promotes a "Kick-Ass Salmon" dish with a description and a "Try It Tonight" call-to-action button. The right-hand panel displays the "Text Button (Beta)" formatting options within the email design interface.

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