Cyrus IMAP vs DavMail
A side-by-side comparison of Cyrus IMAP and DavMail — pricing, license, deployment, and where each tool wins.
Cyrus IMAP
cyrusimap.org
Email (IMAP/POP3), contacts and calendar server.
DavMail
davmail.sourceforge.net
- POP/IMAP/SMTP/Caldav/Carddav/LDAP exchange gateway allowing users to use any mail/calendar client with an Exchange server, even from the internet or behind a firewall through Outlook Web Access.
| Feature | Cyrus IMAP | DavMail |
|---|---|---|
| Pricing | Free | Free |
| Model | Open-source | Open-source |
| License | CC-BY-SA-3.0 | CC-BY-SA-3.0 |
| Deployment | Self-hosted | Self-hosted |
| Category | Communication - Email - Mail Delivery Agents | Communication - Email - Mail Delivery Agents |
| Self-hosted | ✓Yes | ✓Yes |
| Free tier | ✓Yes | ✓Yes |
Pick Cyrus IMAP if…
- ✓You prefer Cyrus IMAP's feature set or ecosystem fit.
Pick DavMail if…
- ✓Broader tag coverage in our catalog (proxy for feature breadth).
Switch from Cyrus IMAP → DavMail
4–16hmedium risk
Plan a sprint — 4-16 engineering hours, run in parallel for a week.
Export from Cyrus IMAP: CSV, JSON
1 things to watch
- ⚠Manual data review recommended
Switch from DavMail → Cyrus IMAP
4–16hmedium risk
Plan a sprint — 4-16 engineering hours, run in parallel for a week.
Export from DavMail: CSV, JSON
1 things to watch
- ⚠Manual data review recommended