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Oracle Linux: Common Mailserver Issues (Doc ID 444017.1)

Last updated on MARCH 12, 2021

Applies to:

Oracle Cloud Infrastructure - Version N/A and later
Linux OS - Version Oracle Linux 5.0 to Oracle Linux 6.9 [Release OL5 to OL6U9]
Linux x86
Linux x86-64
Linux x86-64
Checked for relevance on 13-MAR-2009



Purpose

This document is intended for DBAs and Linux support analysts who encounter common Mailserver issues.

Troubleshooting Steps

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In this Document
Purpose
Troubleshooting Steps
 Problem: Sendmail cannot send mail to users in other domains.
 Symptom: 
 Solution:
 
Problem: Error log in sendmail.log.
 Symptom:
 Solution:
 
Problem: Sendmail rejects connection.
 Symptom:
  Solution:
 
Problem: Can not send email via web access client.

Symptom:
  Solution:
 
Problem: Sendmail hangs on boot
 Symptom:
 Solution:
 Problem: error with newaliases

Symptom:
 Solution:
  Problem: Postfix mail server with TLS not work after upgrading to RHEL/EL 4 update 4.

 Solution:
 
Problem: Sendmail doesn't work

Symptom:
 Solution:
References

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