Need To Stop Dummy email address registration.
Magento has the feature to verify the authenticity of newly registered customers before activating their account.
You can set confirmation setting to avoid Fake entries:-
**– Go to System -> Configuration -> CUSTOMERS -> Customer** Configuration **– Click => Create New Account Options – Set Require Emails Confirmation => Yes – Save Config**
Now, whenever a user register to your Magento shop, he/she will get a confirmation email with a confirmation link. The customer’s account will be activated only after he/she clicks that link.
The first line of defence CAPTCHA. This adds a challenge for automated bots to be able to enter a random value as displayed in the image on the page. To enable the CAPTCHA, navigate to the following path in the Magento
Admin (Admin > System > Configuration > Customers > Customers Configuration > CAPTCHA). CAPTCHA can be enabled on,
Customer account registration Customer Login Forgot Password Customer account registration during checkout Checkout as guest