First of all, SHARING is CARING. Second, they are best free services for custom domains after both Google and Microsoft shutdown their free services.
ZOHO:
- Pros: English + Lots of integrated services for your needs
- Cons: Only 10 free accounts
Yandex:
- Pros: English available + 1000 free accounts
- Cons: Not so many integrated services (e.g: documents, calendar,...)
Mail.Ru:
- Pros: 5000 free accounts + integrated with necessary services
- Cons: Lack of English interface.
Please tell us:
- What did you choose and why?
- What's your experience so far?