MailSlurp guide agent setup

Title: Gmail SMTP Server Settings: smtp.gmail.com, Ports, Auth, and Testing
Description: Configure Gmail SMTP server settings with smtp.gmail.com, port 465 SSL or 587 TLS, app passwords, Workspace relay choices, and MailSlurp validation.
Canonical URL: https://www.mailslurp.com/guides/gmail-smtp-server/
Markdown URL: https://www.mailslurp.com/guides/gmail-smtp-server.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.