MailSlurp guide agent setup

Title: SVG or PNG for Email Logos? A Real Gmail and Outlook Comparison
Description: Compare linked SVG, inline SVG and PNG in five real email clients. Choose a reliable campaign logo and test its size, visibility and dark-mode treatment.
Canonical URL: https://www.mailslurp.com/guides/svg-vs-png-email-logos/
Markdown URL: https://www.mailslurp.com/guides/svg-vs-png-email-logos.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.