Mailo offers two types of accounts:
| Features | Mailo Free | Mailo Premium |
|---|---|---|
| Price | Free | Starting from €1 per month |
| Mailbox | 1 GB | 20 GB up to 500 GB with the Premium+ offers |
| Exclusive domain names (mailo.uk, mailo.eu...) | No | Yes |
| Number of aliases | 5 | 100 |
| Alias++ | No | Yes |
| Attachments | 25 MB | 50 MB |
| Files sent as links | 500 MB | 1 GB |
| PGP encryption and signature | Yes | Yes |
| Antivirus and antispam | Yes | Yes |
| Registered e-mail | Yes | Yes |
| E-cards | Yes | Yes |
| Address book | Yes | Yes |
| Virtual disk | 500 MB | 5 GB up to 500 GB with the Premium+ offers |
| Photo albums | Yes included in the virtual disk | Yes included in the virtual disk |
| OnlyOffice office suite | No | Premium+ and Pro offers |
| Calendar | Yes | Yes |
| Sharing of documents, calendars and address books | Yes | Yes |
| POP3 / POP3S access | No | Yes |
| IMAP4 / IMAP4S access | Yes except third-party collect | Yes |
| ActiveSync synchronization | Yes | Yes |
| CalDAV, CardDAV and WebDAV access | Yes | Yes |
| Transfer and collect of external accounts | Yes | Yes |
| Webmail without advertising | No | Yes |
| Customizable webmail graphics | Yes | Yes |
| Mobile app | Yes | Yes |
| Smartphone interface | Yes | Yes |
| SMS purchase and sending | Yes | Yes |
| Two-factor authentication | Yes | Yes |
| Application passwords | Yes | Yes |
| RSS feeds | Yes | Yes |
| Notes | Yes | Yes |
| Keyring | Yes | Yes |
| Bookmarks | Yes | Yes |
| Sticky notes | Yes | Yes |
| Filters and blocked senders | Yes | Yes |
| E-mail forwarding | No | Yes |
| Priority support | No | Yes |
| Account validity in case of inactivity | 12 months | For life |