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4.3.2.14. Configuring CalDAV calendar synchronization in WebMail classic
In order to be able to use CalDAV-synchronization of the mailbox calendar and mail clients, log in to the mailbox where you plan to use the calendar using WebMail and follow these steps:
- Go to section «Calendar» in WebMail.
- Edit or create a new calendar.
- Go to section «Synchronize calendar».
- «Display name» — provide a name for the new connection. (This name will only be used to identify the desired connection in the list.)
- «Password» — specify the password that will be used to connect (must contain at least 10 characters). Important: save or remember the specified password, it will not be possible to change or display it in the future.
- «Read only» — a parameter that prevents mail clients from changing calendar events on the server.
- Click «Add to».
- A field will appear below the page «Your CalDav connection», which will display the data for the connection:

- «URL» — the address to connect to for calendar synchronization.
- «Alternative URL» — an alternative address, the connection to which does not request access data. (Not all email clients support this functionality.)
- «Username» — username to use to connect.
- «Password» — the password is not displayed and will not be displayed in the connection data. You cannot recover the password, you can only re-create the connection.