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This document is for a previous release of cPanel & WHM. To view our latest documentation, visit our Home page.

For cPanel & WHM 11.40

(Home >> Service Configuration >> Exim Configuration Manager >> Advanced Editor)



This feature is intended for advanced users. Changes to the default configuration can significantly impact Exim's performance and may prevent it from operating altogether. Please exercise extreme caution when editing this file.


The advanced editor allows you to edit the default configuration of Exim. Configuration changes made within this editor will be conserved across Exim updates and reinstallation. More information about Exim's configuration syntax is available.

Edit with advanced editor

To edit with Exim's advanced editor:

  1. Click the Advanced Editor tab.
  2. Add or modify directives within the provided text boxes.
  3. Click Save.



Edits to the configuration file directly (/etc/exim.conf) will only work temporarily because an update to Exim will result in the changes being overwritten.


Related documentation

  • Some Basics about SMTP — This document explains the importance of defining SMTP options in order to protect your bandwidth.