Compatibility list / tested servers
| Service | Supports VJOURNAL | Supports VTODO | Remark |
|---|---|---|---|
| Baikal | 👍 | 👍 | All compatible 😎 No web support for Journals, Notes or Tasks |
| GMX | 👍 | 👍 | All compatible 😎 No web support for Journals, Notes or Tasks |
| Ionos | ⛔ | 👍 | Only collections with tasks can be created. No web support for Journals, Notes or Tasks |
| Fastmail | 👍 | 👍 | All compatible 😎 No web support for Journals, Notes or Tasks |
| iCloud | ⛔ | ⛔ | VJOURNAL is blocked by the server 😿 VTODO support discontinued from iOS13 |
| infomaniak | ⛔ | 👍 | Only collections with tasks can be created. No web support for Journals, Notes or Tasks |
| KolabNow | ⛔ | 👍 | allows creating VJOURNAL collections when creating it from DAVx5 (only when also containing VEVENT). Creating collection with only VJOURNAL is throwing an internal server error. When creating Journal or Task entries in jtxBoard server returns a 403 forbidden (“VJOURNAL not supported”). Only the pre-created task list is working with VTODO |
| Mailcow / SOGo | ⛔ | 👍 | Only collections with tasks can be created. Based on user feedback |
| Nextcloud | 👍 | 👍 | All compatible 😎 No web support for Journals & Notes |
| ownCloud | 👍 | 👍 | All compatible 😎 No web support for Journals & Notes |
| Posteo | ⛔ | 👍 | No support for VJOURNAL |
| Yahoo Mail | ⛔ | 👍 | Yahoo allows creating collections with VJOURNAL, VTODO and VEVENT, but deletes the collection a few seconds after. If a collection is created with VJOURNAL and VTODO only, only the support for VJOURNAL is deleted but the collection remains. |
| Radicale | 👍 | 👍 | All compatible 😎 No web support for Journals, Notes or Tasks |
| Web.de | 👍 | 👍 | All compatible 😎 No web support for Journals, Notes or Tasks |