Unlimited mailbox, again?
“Unlimited” is catchy, attractive and lucrative BUT:
1. In long term, the mail server can be overloaded if one out of their email subscribers decided to go unlimited.
2. The total number of mailbox grows uncontrolled, taking up bandwidth can cause slow email download.
3. What is their fair usage policy? Better to have than not.
It is simply over-promising and over-committing