When the button Submit all data is clicked in a Mailman mailing list, the site reloads. Actions specified for Plesk emails in the mailing list are not applied.
When submitting data after entering anything in the Search field, the following error is shown:
The information you’re about to submit is not secure
Because this form is being submitted using a connection that’s not secure, your information will be visible to others.
In the Developer's console of a browser (F12) the following error can be found:
Mixed Content: The page at 'https://lists.example.com/mailman/admin/list_name ' was loaded over a secure connection, but contains a form that targets an insecure endpoint 'http://lists.example.com/cgi-bin/mailman/admin/list_name /general'. This endpoint should be made available over a secure connection.
Connect to the server via SSH.
/usr/lib/mailman/Mailman/mm_cfg.pyfile in any text editor. For example, in the vi text editor:
# vi /usr/lib/mailman/Mailman/mm_cfg.py
Find the line beginning with
DEFAULT_URL_PATTERNand change it as follows:
For Debian-based operating systems:
DEFAULT_URL_PATTERN = 'https://%s/cgi-bin/mailman/'
For RHEL-based operating systems:
DEFAULT_URL_PATTERN = 'https://%s/mailman/'
Note: If the line doesn't exist, add it manually
Save changes and close the file.
Execute the command below to apply changes:
# /usr/lib/mailman/bin/withlist -l -r fix_url list_name -u lists.example.com