Though Open Mbox does provide free email service, we also have the paid plans which some users might have interests in.

Function Mailplus Mailhost
Disk Quota 2GB 30GB
Total Mailboxes 1 5
Max Mails per Day 250 500
Keep Current Email yes yes
IMAP/SMTP no yes
Use Your Domains no yes
Daily Backup yes yes
Annual Price $10/y $30/y

If you are interested in booking Mailhost plan, please access