Calendar & Contacts (CalDAV/CardDAV)¶

The Corporate Email plan (Zimbra) includes calendar and contacts management with sync across all your devices via CalDAV (calendar) and CardDAV (contacts).

Connection Details¶

Use the following settings to configure any CalDAV/CardDAV-compatible application:

Thunderbird¶

Thunderbird supports CalDAV and CardDAV natively starting from version 102+.

Calendar (CalDAV)¶

1. Open Thunderbird and go to File > New > Calendar
2. Select On the Network
3. Fill in:
   • Format: CalDAV
   • Location: https://cluster.emailprofissional.pro/dav/[email protected]/Calendar
4. Click Find Calendars
5. When prompted, enter your credentials:
   • Username: your full email address
   • Password: your email password
6. Check Remember password
7. Select the calendars you want to sync and click Subscribe

Contacts (CardDAV)¶

1. Go to Address Book (sidebar icon or Ctrl+Shift+B)
2. Click File > New > CardDAV Address Book
3. Fill in:
   • Username: your full email address
   • Location: https://cluster.emailprofissional.pro/dav/[email protected]/Contacts
4. Click Continue
5. Enter your password when prompted
6. Select the available address books and click Continue

Microsoft Outlook (Windows)¶

Outlook does not support CalDAV/CardDAV natively. You need to install the free CalDav Synchronizer plugin.

Install the Plugin¶

1. Download CalDav Synchronizer from https://caldavsynchronizer.org
2. Close Outlook
3. Run the installer and follow the instructions
4. Reopen Outlook — a new CalDav Synchronizer tab will appear in the ribbon

Set Up Calendar¶

1. Click the CalDav Synchronizer tab > Synchronization Profiles
2. Click the + icon (Add) and select Generic CalDAV/CardDAV
3. In the Server Settings tab:
   • DAV URL: https://cluster.emailprofissional.pro/dav/[email protected]/Calendar
   • Username: your full email address
   • Password: your email password
4. Click Test or discover settings to verify the connection
5. In the Sync Settings tab, set the sync interval (e.g., 15 minutes)
6. Click OK to save

Set Up Contacts¶

1. Repeat the steps above, but in step 3 use:
   • DAV URL: https://cluster.emailprofissional.pro/dav/[email protected]/Contacts
2. In the Outlook Settings tab, select the Outlook contacts folder where you want to sync

Android¶

Android does not support CalDAV/CardDAV natively. We recommend the DAVx⁵ app (available on Google Play Store and F-Droid).

Install DAVx⁵¶

1. Install DAVx⁵ from the Google Play Store
2. Open DAVx⁵ and grant calendar and contacts permissions when prompted

Add Account¶

1. Tap the + button to add a new account
2. Select Login with URL and user name
3. Fill in:
   • Base URL: https://cluster.emailprofissional.pro
   • User name: your full email address
   • Password: your email password
4. Tap Login
5. DAVx⁵ will automatically detect your calendars and contact lists
6. Check the items you want to sync
7. Tap the sync icon to perform the first sync

After setting up DAVx⁵, your calendars and contacts will automatically appear in Android's Google Calendar and Contacts apps.

iPhone and iPad (iOS)¶

iOS supports CalDAV and CardDAV natively.

Calendar (CalDAV)¶

1. Go to Settings > Calendar > Accounts > Add Account
2. Select Other
3. Tap Add CalDAV Account
4. Fill in:
   • Server: cluster.emailprofissional.pro
   • User Name: your full email address
   • Password: your email password
   • Description: InteSys Calendar (or your preference)
5. Tap Next
6. iOS will verify the settings and add the account

Contacts (CardDAV)¶

1. Go to Settings > Contacts > Accounts > Add Account
2. Select Other
3. Tap Add CardDAV Account
4. Fill in:
   • Server: cluster.emailprofissional.pro
   • User Name: your full email address
   • Password: your email password
   • Description: InteSys Contacts (or your preference)
5. Tap Next

After setup, your calendars will appear in the Calendar app and your contacts in the Contacts app.

macOS¶

macOS supports CalDAV and CardDAV natively in the Calendar and Contacts apps.

Calendar (CalDAV)¶

1. Open the Calendar app
2. Go to Calendar > Accounts... (or System Settings > Internet Accounts)
3. Click Add Other Account... > CalDAV Account
4. Select Manual type
5. Fill in:
   • Account Type: CalDAV
   • User Name: your full email address
   • Password: your email password
   • Server Address: cluster.emailprofissional.pro
6. Click Sign In

Contacts (CardDAV)¶

1. Open the Contacts app
2. Go to Contacts > Accounts... (or System Settings > Internet Accounts)
3. Click Add Other Account... > CardDAV Account
4. Select Manual type
5. Fill in:
   • Account Type: CardDAV
   • User Name: your full email address
   • Password: your email password
   • Server Address: cluster.emailprofissional.pro
6. Click Sign In

Troubleshooting¶

Cannot connect¶

• Verify your username and password are correct by logging in to the webmail: https://cluster.emailprofissional.pro
• Confirm you are using your full email address as the username
• Check that the CalDAV/CardDAV URL is correct, including your email address in the URL

Calendar or contacts not syncing¶

• Check your internet connection
• On Android (DAVx⁵): make sure battery optimization is disabled for the app
• Force a manual sync in the application
• On Thunderbird: right-click the calendar and select Synchronize

SSL certificate error¶

• Make sure you are using https:// (not http://) in the URL
• If the error persists, contact support: [email protected]

Duplicate calendars¶

• Check that you haven't added the same account twice
• On DAVx⁵: remove duplicate accounts in the app settings