Northern Trail Outfitter’s customer base has high engagement on mobile devices, and a marketing intern...

For a quick turnaround and easiest implementation in mobile optimization, "Mobile Responsive" is the best option. Mobile Responsive design automatically adjusts the email layout to fit the screen size of mobile devices, ensuring a good user experience without extensive customization. This approach uses fluid grids, flexible images, and media queries to create an adaptable design that works well on various device sizes.