How to edit exim.conf file on cPanel server and prevent it from overwriting

Here is how it works in other words plus example:

/etc/exim.conf – you can edit this file to keep some changes temporary, then restart exim to get them working. After /scripts/buildeximconf you changes will be reset.

/etc/exim.conf.localopts – its the same as WHM –> Exim Configuration Manager –> Standard options (Basic editor).… Read the rest