MailSlurp documentation agent setup

Title: Postmark warmup and automated inbox placement setup
Description: Connect Postmark to MailSlurp, verify delivery, schedule inbox placement checks and configure a paced email warmup.
Canonical URL: https://www.mailslurp.com/docs/email-warmup/postmark/
Markdown URL: https://www.mailslurp.com/docs/email-warmup/postmark.md

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