IceWarp is #13 in Top 10 Email services

https://www.icewarp.com/
IceWarp
Secure hosted email with custom domain. Shared calendars, chat, storage, documents & apps. The only solution integrated and working together in one screen.

Positions in ratings


#13 in Top 10 Email services

#12 in Top 19 Email Servers

Alternatives


The best alternatives to IceWarp are: Microsoft 365, Microsoft Exchange, Zimbra, Google Workspace, Zoho Mail
See also:
Top 10 Email services for Business