cPanel 500 Error on Mailman Archive giving you trouble?

At Bobcares, we have an answer for every query that comes our way as a part of our exceptional Server Management Service.

Let’s take a look at how the Support Techs helped a customer resolve the cPanel 500 error recently.

What is cPanel 500 Error on Mailman Archive?

Have you been coming across a 500 error when you attempt to view Mailman archive pages or even the administrative pages? You may also see errors in the cPanel error log demonstrating that the Mailman cannot start as seen below:

[2021-07-11 13:27:06 +0530] info [startmailman] systemd failed to start the service “mailman” (The “/usr/bin/systemctl restart mailman.service --no-ask-password” command (process 15735) reported error number 1 when it ended.): Job for mailman.service canceled.

According to our Support Team, this issue is due to incorrect permissions on several Mailman directories and files.

How to resolve cPanel 500 Error on Mailman Archive?

We can resolve this issue easily by removing mailman from the RPM database and forcing cPanel to reinstall it.

However, our Support Engineers would like to point out that the commands used here only removes Mailman from the RPM database. This prompts cPanel to assume it is missing and be willing to reinstall it.

Furthermore, deviating from these steps or commands will result in damage to the server. So ensure that the exact commands are used without any form of variation.

1. First, log in as the root user through SSH or Terminal to the server.
2. Next, execute these commands:

   rpm -e --justdb --nodeps cpanel-mailman
   /usr/local/cpanel/scripts/check_cpanel_rpms --fix –targets=mailman

Running these commands will prompt cPanel to reinstall Mailman, thereby helping us overcome the error.

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Conclusion

To sum up, we learned about why 500 Error on Mailman Archive error pops up and how to resolve it under the guidance of the skilled Support Engineers at Bobcares.