Allowing Patrons to Subscribe via the internet.
Patrons can subscribe or unsubscribe to mail lists of your choosing via the
internet in conjunction with the web sales module.
- Find the mail list that you wish to allow patrons to subscribe to.
- Click the Allow patron to subscribe/unsubscribe via internet flag.

Patrons logged into the database through the web sales module will now
be allowed to subscribe/unsubscribe to this mail list.
- Repeat for each mail list you wish to give access to.