Tutorial SMTP Restrictions (WHM) versus SMTP_BLOCK (CSF)

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SMTP Restrictions (WHM) versus SMTP_BLOCK (CSF) - Comparing the SMTP Restrictions option in WHM with the SMTP_BLOCK feature included with CSF.

Overview
When attempting to secure your server against spam,you might consider enabling the SMTP Restrictions option in WHM or if you have the third-party ConfigServer Security & Firewall (CSF) plugin, the SMTP_BLOCK feature. This article is designed to explain how these two services affect the server. Both options are used to prevent...

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