-`SUBSCRIBE_FORM_SECRET` and protect your setup against abuse!** Just run `pwgen
-16` to get some random string, and then add `SUBSCRIBE_FORM_SECRET = "<random
-string here>"` to `/etc/mailman/mm_cfg.py`. It's really that simple! Just a
+`SUBSCRIBE_FORM_SECRET` and protect your setup against abuse!** Just run
+`openssl rand -base64 18` to get some random string, and then add
+`SUBSCRIBE_FORM_SECRET = "<random string here>"` to `/etc/mailman/mm_cfg.py`.
+It's really that simple! Just a