MailSlurp guide agent setup

Title: Can you put a video in an email? What 12 email apps showed (tested 2026)
Description: Which email apps show a player for the HTML video tag? Results from Apple Mail, Outlook, Gmail and Yahoo, with screenshots and fallback advice.
Canonical URL: https://www.mailslurp.com/guides/email-client-support/video-in-email/
Markdown URL: https://www.mailslurp.com/guides/email-client-support/video-in-email.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.