Business email hosting from Zoho.
https://www.zoho.com/mail/
Email Hosting Providers · Business Email Hosting
Get access to data on 1,256,372 websites that are Zoho Mail Customers. We know of 890,193 live websites using Zoho Mail and an additional 366,179 sites that used Zoho Mail historically and 520,194 websites in the United States.
Get a list of 1,256,372 websites using Zoho Mail which includes location information, hosting data, contact details, 890,193 currently live websites and an additional 253,196 domains that redirect to sites in this list. 366,179 sites that used this technology previously and 520,194 websites in the United States currently using Zoho Mail.