It seems like everytime I setup a new server mailman always gives me issues, this time around after using the automated install of The Perfect Server - Ubuntu 20.04 with Apache, PHP, MariaDB, PureFTPD, BIND, Postfix, Dovecot and ISPConfig 3.2 I created a list no problems, however when I receive If I follow that link I get a 404, but if I ammend that to http:// ddd. net/cgi-bin/mailman/admindb/admin-team the page loads fine but after approving the request and hitting "submit all data" it then heads off to https:// server2.ddd . net/cgi-bin/mailman/admindb/admin-team and from there even changing the url to https:// ddd. net/cgi-bin/mailman/admindb/admin-team sends me in a circle. Honestly never once has Mailman setup with out issues since Ubuntu 12 for me me at least.