MailSlurp guide agent setup

Title: Preview Email in Gmail on Android
Description: Send a test email to MailSlurp and preview it in Gmail on Android. Check the campaign's photo, offer and booking action before customers open it.
Canonical URL: https://www.mailslurp.com/guides/how-to-preview-email-in-gmail-android/
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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.