Is it free because they hope you'll but they're other integrated services? Their cheapest plan looks to be $1/m (https://www.zoho.com/mail/zohomail-pricing.html

Is it free because they hope you'll but they're other integrated services? Their cheapest plan looks to be $1/m (https://www.zoho.com/mail/zohomail-pricing.html https://www.zoho.com/mail/zohomail-pricing.html)