Cyrus IMAP vs IceWarp
Cyrus IMAP
cyrusimap.org
IceWarp
icewarp.comSide by side
| Figure | Cyrus IMAP | IceWarp |
|---|---|---|
| Price from | Free | $1.35/mo |
| Free plan | Yes | — |
| Free trial | — | Yes |
| Open source | — | — |
| Web | — | Yes |
| Windows | — | Yes |
| macOS | — | Yes |
| Linux | Yes | — |
| iOS | — | Yes |
| Android | — | Yes |
| API | — | Yes |
| Self-hosted | Yes | Yes |
| Plans published | 1 | 3 |
| Spec score · Mail Server Software | 7.9 (#16) | 8.3 (#5) |
| Founded | 1993 | 2001 |
| Integrations | The installation guide describes receiving mail from SMTP servers such as Sendmail, Postfix, and Exim through LMTP. | The product page describes Outlook Sync for syncing email, calendar, tasks, and notes with Outlook; the cloud API provides access to calendars, files, notes, contacts, tasks, and emails. |
| Security | The feature documentation lists Kerberos, LDAP, and SQL authentication, access control, and a sealed system design. | The pricing page lists antivirus and antispam with Core, while the site footer displays ISO 9001, ISO 27001, ISO 27017, ISO 27018, ISO 29119-1, SOC 2, and HIPAA compliance badges. |
| Support | The project points users to active mailing lists for help. | The pricing page lists 24/7 support for cloud customers and offers Cloud Plus support with a 24/7 hotline and stated response targets. |
Plans
In their own words
Cyrus IMAP
Cyrus IMAP has no write-up on Specifiction yet; its figures are above.