How to Upgrade Exim on cPanel Servers

Exim is the default mail transfer agent (MTA) for cPanel servers, and keeping it updated ensures better security, performance, and compatibility. cPanel provides an easy method to upgrade Exim using a built-in script.

1. Access Your Server via SSH

To update Exim, you need root access to your server. Follow these steps:

  1. Open a terminal on your local machine.
  2. Connect to your server using SSH:
ssh root@yourserver.com

Replace yourserver.com with your actual server hostname or IP address.

2. Run the Exim Upgrade Command

Once logged in, execute the following command to upgrade Exim:

/scripts/eximup

This command will download and install the latest stable version of Exim available for your cPanel server.

3. Verify the Upgrade

After the upgrade is complete, confirm the installed version by running:

exim -bV

You should see the latest Exim version displayed.

4. Restart Exim for Changes to Take Effect

To ensure the update is applied correctly, restart the Exim service:

systemctl restart exim

or if using older systems:

service exim restart

5. Need Assistance? @CustomerPanel Is Here to Help

If you encounter issues while upgrading Exim, our UnderHost Support team is available 24/7 to assist you. We also offer managed hosting solutions with automatic software updates and expert email management.