Business email hosting from Zoho.
https://www.zoho.com/mail/
Email Hosting Providers · Business Email Hosting
Get access to data on 952,290 websites that are Zoho Mail Customers. We know of 545,615 live websites using Zoho Mail and an additional 406,675 sites that used Zoho Mail historically and 331,338 websites in the United States.
Get a list of 952,290 websites using Zoho Mail which includes location information, hosting data, contact details, 545,615 currently live websites and an additional 98,436 domains that redirect to sites in this list. 406,675 sites that used this technology previously and 331,338 websites in the United States currently using Zoho Mail.