Most people open emails on their phones, so the design should be light and easy to read. Short paragraphs, clear spacing, and a simple layout help the reader move through the message without stress. Pictures should load fast, and buttons should be big enough for tapping. The subject line also matters because it appears small on mobile screens. When emails feel smooth to read, people are more likely to stay engaged. Mobile-friendly emails show that you respect the reader's time. What things do you think make an email easy to read on a phone?