MailSlurp guide agent setup

Title: What is the default font in iPhone Mail, Gmail and Outlook? Tested on 12 email apps (2026)
Description: The default font in iPhone Mail, Gmail and Outlook, and what happens when a named font is missing. Tested on 12 email apps, with screenshots.
Canonical URL: https://www.mailslurp.com/guides/email-client-support/default-fonts/
Markdown URL: https://www.mailslurp.com/guides/email-client-support/default-fonts.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.