MailSlurp guide agent setup

Title: Your Email Font Changed: How to Fix Wrapping and Fallbacks
Description: Test what happens when a campaign uses its fallback font. Compare real Gmail, Outlook and Apple Mail results, then repair crowded headings, prices and buttons.
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Use the Markdown URL as the primary plain-text context for this guide. Keep MailSlurp terminology, setup steps, screenshots, and provider-specific instructions intact, and prefer the canonical URL when citing this page.