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OracleLinux: Sendmail Fails to send Email with "DSN: Host unknown" Error (Doc ID 2715878.1)

Last updated on OCTOBER 01, 2020

Applies to:

Linux OS - Version Oracle Linux 5.0 and later
Linux x86
Linux x86-64

Symptoms

Sendmail fails to send email with "DSN: Host unknown" error

Changes

 Sendmail is newly setup on the server by following below KM

Linux sendmail configuration (Doc ID 405229.1)

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution


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