Need help with majordomo

[saarah @ york . cuny . edu]

Hi, 

I have created a list with majordomo. The list is not moderated. However
I don't know what needs to be tweaked in the   listname.config file so that
only the subscribers can post. Right now even though there are a bunch of
people in the "listname" file, yet everyone(though not subscribed to the list)
can post to the list. If anyone can shed light I'd appreciate very much.

Regards,
Kamrul