~3 min read • Updated Feb 22, 2026
1. Overview
This guide explains how to set up calendars and contacts using CalDAV and CardDAV on Apple® devices, Linux® systems, and compatible applications. In this document, user refers to the webmail user, and example.com refers to the user’s domain.
Warning: Because these applications are not developed by WebPros International, LLC, cPanel Technical Support cannot assist with their configuration.
Note: You cannot add calendars or address books directly inside Roundcube. To add them, use:
- cPanel » Email » Calendars and Contacts Management
- Webmail » Calendars and Contacts Management
2. Other Operating Systems
Apple Calendar and Thunderbird® natively support CalDAV and CardDAV. Other applications may work if they support these protocols.
- Windows®: Use the third‑party Outlook CalDAV Synchronizer plugin.
- Android™: Use the DAVx5 application.
3. Configuration Information
You can find your CalDAV and CardDAV setup details in:
Webmail » Calendars and Contacts Configuration
Example configuration:
- User Name: [email protected]
- Password: Your webmail password
- Server URL:
https://example.com:2080 - Alternate Server URL:
https://example.com:2080/principals/[email protected]/
Note: If Autodiscover fails, use the Alternate Server URL.
3.1 Direct URLs
- Calendar:
https://example.com:2080/calendars/[email protected]/calendar - Address Book:
https://example.com:2080/addressbooks/[email protected]/addressbook
You may also request auto‑configuration scripts via Webmail.
4. Setting Up Calendars and Contacts on iOS®
SSL Warning (Self‑Signed Certificates):
- You will see a warning about server identity → tap Continue.
- The iOS Reminders app will not work with these calendars.
4.1 Access the Configuration Screen
- Open Settings.
- Tap Mail.
- Tap Accounts.
- Tap Add Account.
- Tap Other.
- Select:
- Add CalDAV Account (for calendars)
- Add CardDAV Account (for contacts)
4.2 Enter Your Account Information
Example:
- Server: example.com:2080
Important: You must include
:2080. - User Name: [email protected]
- Password: Webmail password
- Description: My Calendar Account
Then:
- Tap Next.
- Enable Calendars.
- Choose Keep on My iPhone or Delete.
- Tap Save.
5. Setting Up Calendars and Contacts on macOS®
5.1 Access the Account Configuration Menu
- Open Launchpad → System Settings.
- Click Internet Accounts.
- Click Add Other Account….
- Select CalDAV Account or CardDAV Account.
5.2 Enter Your Account Information
You may configure the account using:
- Automatic
- Manual
- Advanced
Example (Manual):
- User Name: [email protected]
- Password: Webmail password
- Server Address: example.com:2080
6. Setting Up Calendars and Contacts on Linux®
Many Linux applications support CalDAV and CardDAV. Thunderbird is the most common option.
In Thunderbird:
- Open Calendar.
- Select New Calendar.
- Choose On the Network.
- Enter your direct CalDAV URL.
Conclusion
Using the CalDAV and CardDAV configuration details provided in Webmail, you can easily set up calendars and contacts across iOS, macOS, Linux, and other compatible applications. These methods ensure secure and reliable synchronization of your personal data.
Written & researched by Dr. Shahin Siami