Sometimes you may need to prevent unwanted user registration for different ip, multiple registration from single ip or registration from a specific domain name. Using Simple Login Registration you can restrict user registration these 3 different way. To enable these setting please visit ‘WPSLRP’ > ‘General’ Settings tab.
Single Registration Per IP?: If you want to allow registration single time with single IP address then you can select Yes so, each user can sign up one time only with one IP address, It’s for preventing sign up multi users per 1 IP.
Black List IP Address: If you want to prevent unwanted user registration from any specific IP address you can do this by this settings with mentioning the list of IP address. You can enter multiple ip address by separating them with a comma or Keep it empty to skip this rules.
Registration Email Domains: Some times you may need to allow user registration from any specific email domain only. Then use this settings to restrict user registration ONLY to an email from a certain domain name. e.g If you want only @example.com domain to successfully register. Then If @123example.com registers it should fail and not accept it. If @gmail.com or @yahoo.com registers they should not be allowed. You can allow multiple domain with comma saperated values like @gmail.com,@yahoo.com or Keep it empty to skip this rules.