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For cPanel & WHM version 11.50

What is Mailman and where can I find more Mailman documentation?

Mailman is third-party software that we include with cPanel & WHM to manage mailing lists.

Where does cPanel & WHM install Mailman on my server?

cPanel & WHM installs Mailman in the /usr/local/cpanel/3rdparty/mailman/ directory.

Where can I find the Mailman error log?

You can find the Mailman error log in the /usr/local/cpanel/3rdparty/mailman/logs/error file.

How can I enable or disable Mailman on my server?

WHM installs and enables Mailman by default.

To disable Mailman on your server, perform one of following actions:

  • Set the Enable Mailman mailing lists  option in WHM's  Tweak Settings interface (Home >>  Server Configuration >> Tweak Settings) to No
  • Deselect the mailman option in the Enabled and Monitor columns of WHM's  Service Manager  interface (Home >> Service Configuration >> Service Manager).

How can I change links in the Mailman interface to point to instead of

To point URLs in the Mailman interface to instead of, enable the Prefix "mail." onto Mailman URLs option in WHM's  Tweak Settings interface (Home >>  Server Configuration >> Tweak Settings).

What can I do if I see an error that says We hit a bug?

If you see the We hit a bug error message when you access the Mailman interface, check the  /usr/local/cpanel/3rdparty/mailman/logs/error file for error messages.

Based on the error message in the log, the following steps may resolve the issue:

  • Update cPanel & WHM with the /scripts/upcp script.
  • Use the /script/fixmailman script to resolve common Mailman issues.
  • Use the /scripts/fixcommonproblems script to correct mailbox permissions, common mailman issues, CGI script issues, NDC and quota issues.
  • To reinstall Mailman, use the /usr/local/cpanel/bin/mailman-install --force command.

What commands are available for Mailman?

The following table includes some common commands for Mailman:

Install Mailman (or reinstall)/usr/local/cpanel/bin/mailman-install --force
Repair Mailman permissions/usr/local/cpanel/3rdparty/mailman/bin/check_perms -f
View all lists/usr/local/cpanel/3rdparty/mailman/bin/list_lists
View all list members/usr/local/cpanel/3rdparty/mailman/bin/list_members
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