Screenshot of Admin => Customers
Strange Activities : I am getting lots of junk account creation on my magento website. This leads to lot of bounced emails, and hurting my domain authority.
I regularly ban ip addresses who access open ports of magento randomly. I am thinking of capturing ip addresses while they create account and ban those ip addresses as-well.
How to stop these Junk users / Spammers ?
You may follow below steps :
Install McAFee Secure to Your website & Have your website Pass the Security Checks
Enable Magento Default Captcha Follow this Steps
OR Install ReCaptcha Plugin to Your Frontend's Registration & Login Page
OR Install Magento Extension for Captcha : Simpler Captcha
Enable Captcha to Your Administrator Login. Follow this Steps.
(Optional) Enable SSL on Magento. Follow this Steps.
Hope this will definitely help you.