Though Open Mbox does provide free email service, we also have the paid plans which some users might have interests in.
| Function | Mailplus | Free |
| Disk Quota | 3GB | 350MB |
| Outgoing Mails per Day | 250 | 15 |
| Keep Current Email | yes | yes |
| IMAP/SMTP | yes | no |
| Use Your Domains | no | no |
| Daily Backup | yes | yes |
| Annual Price | $10/y | 0 |