MailSlurp guide agent setup

Title: Port 25: What It Is, Why It Gets Blocked, and What To Use Instead
Description: Learn what port 25 is for, why cloud providers often restrict it, how it differs from ports 587 and 465, and when SMTP relay on port 25 is still appropriate.
Canonical URL: https://www.mailslurp.com/guides/port-25/
Markdown URL: https://www.mailslurp.com/guides/port-25.md

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