MailSlurp guide agent setup Title: Which email apps support media queries? Responsive email tested on 12 apps (2026) Description: Do Gmail, Outlook, Apple Mail and Yahoo apply @media rules for responsive email? Results from a test email on 12 email apps, with screenshots. Canonical URL: https://www.mailslurp.com/guides/email-client-support/media-queries/ Markdown URL: https://www.mailslurp.com/guides/email-client-support/media-queries.md 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.