Add simple .htaccess-redirects to the table sys_redirect

Choose a file... ... from here (relative path and file name):

fileadmin/

default status code
       

   

   


{message}

Note: the file should contain (only) redirect rules from your .htaccess! E.g.
RewriteRule ^engagieren/klimawandel(/?)$ https://www.mydomain.de/engagieren-fuer-den-klimawandel/ [R=301,L]

Copy that rules from your .htaccess and place the new file in your fileadmin-folder (e.g. redirects.txt).