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Oracle Linux: Postfix Error "Client Was Not Authenticated To Send Anonymous Mail During MAIL FROM" (Doc ID 2013640.1)

Last updated on OCTOBER 17, 2022

Applies to:

Linux OS - Version Oracle Linux 6.5 with Unbreakable Enterprise Kernel [3.8.13] and later
Oracle Cloud Infrastructure - Version N/A and later
Linux x86-64

Symptoms

The Postfix relay for Office365 ends with the error "Client was not authenticated to send anonymous mail during MAIL FROM"

Changes

 Postfix used as a Relay for Office365

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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