Self Enrollment in moodle

I want to allow students to create their own accounts on one of my moodle instances.  I think.  I had to poke around a bit to find the setting that would allow the user to see "First Time Here" with follow these steps to create your account.

• Site administration | Plugins | Authentication | Manage authentication 

Beneath the listing, the self registration is disables by default, 
choose email based self registration from the drop down menu.

This is directly from the page

"Email confirmation is the default authentication method. When the user signs up, choosing their own new username and password, a confirmation email is sent to the user's email address. This email contains a secure link to a page where the user can confirm their account. Future logins just check the username and password against the stored values in the Moodle database."

I am a little leery about allowing this, but if we do not try new things, we will never grow.  I did enable the reCAPTCHA option, to catch spiders and spammers at the front door.  This will allow students to create their own accounts, with valid emails.  Like most web sites, if you forget your password, you can request a new one via an automatically generated forward to the registered email.  I do not have to create the account and I do not have to reset the password when it is forgotten.  I still have control over assigning roles and content in the system, im just putting the responsibility where it belongs.

Now when a user comes to the site and clicks login, they see this: