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OL: Setting "smtpd_recipient_restrictions" on SMTP server does does not work as intended ( emails are still received from XYZ receipt ) (Doc ID 2826899.1)

Last updated on DECEMBER 09, 2021

Applies to:

Linux OS - Version Oracle Linux 6.10 with Unbreakable Enterprise Kernel [4.1.12] to Oracle Linux 8.5 [Release OL6U10 to OL8U5]
Linux x86
Linux x86-64

Symptoms

An attempt to block root user from sending out emails to main SMTP server does not work as intended by doing change in main.cf

Cause

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In this Document
Symptoms
Cause
Solution


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