Mailman 2.1.18 - Users can not subscribe to mailing list

Hi @all,
we are using Mailman 2.1.18 and on some mailing lists users receive an error message when trying to subscribe to the list on the listinfo page.
The error occurs on the listinfo page in the "Subscribing to ..." section. If an email address is entered in the field "Your email address:" and the button "Subscribe" is pushed an error message appears ("You have to enter a valid email address").
The error occurs only on 2 mailing lists. The other mailing lists work fine. The mailman configuration has not changed. The main difference to the working lists is, that in the Form-URL on the listinfo page does forward to an URL where a "/cgi-bin" is added before "/mailman.."
I would be happy if somebody could help us with this problem
With best regards
Bastian Binder

On 11/8/18 2:24 PM, Bastian Binder wrote:
The error occurs only on 2 mailing lists. The other mailing lists work fine. The mailman configuration has not changed. The main difference to the working lists is, that in the Form-URL on the listinfo page does forward to an URL where a "/cgi-bin" is added before "/mailman.."
The redirect loses the POST data.
You need to ensure that your setting for DEFAULT_URL_PATTERN is what you want, perhaps something like
DEFAULT_URL_PATTERN = 'http://%s/mailman/cgi-bin/'
or maybe https, and then run fix_url on the problem lists. See <https://wiki.list.org/x/4030616> and <https://wiki.list.org/x/4030602>.
-- Mark Sapiro <mark@msapiro.net> The highway is for gamblers, San Francisco Bay Area, California better use your sense - B. Dylan

On 11/8/18 2:24 PM, Bastian Binder wrote:
The error occurs only on 2 mailing lists. The other mailing lists work fine. The mailman configuration has not changed. The main difference to the working lists is, that in the Form-URL on the listinfo page does forward to an URL where a "/cgi-bin" is added before "/mailman.."
The redirect loses the POST data.
You need to ensure that your setting for DEFAULT_URL_PATTERN is what you want, perhaps something like
DEFAULT_URL_PATTERN = 'http://%s/mailman/cgi-bin/'
or maybe https, and then run fix_url on the problem lists. See <https://wiki.list.org/x/4030616> and <https://wiki.list.org/x/4030602>.
-- Mark Sapiro <mark@msapiro.net> The highway is for gamblers, San Francisco Bay Area, California better use your sense - B. Dylan
participants (2)
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Bastian Binder
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Mark Sapiro