Overview

This article covers the steps to configure Mozilla Thunderbird with an IMAP (Internet Message Access Protocol) connection to Kerio Connect.
Additionally, there are steps in this article to:
- Configure Calendars.
- Subscribe to Public Folders.
- Set up an LDAP (Lightweight Directory Access Protocol) connection for contacts.

Requirements

The following information is required from Kerio Connect to configure Mozilla Thunderbird:
- Username
- Password
- Email Address
- Server Address
If any of these details is not at hand, please contact the Kerio Connect administrator to provide these details.
Mozilla Thunderbird uses the IMAP protocol, please ensure the firewalls/routers have the following TCP ports open to access Kerio Connect:
- 143 (IMAP)
- 993 (Secure IMAP)

Follow these steps to configure IMAP connections with Thunderbird:

Launch Mozilla Thunderbird. On the first launch of this application, it displays a wizard, as seen below, which you can run through.
- Note: If the wizard does not display, please use the Create a new account that is visible on the main screen when Mozilla Thunderbird launches.
Enter the account's full name, Kerio email address, and Kerio password.
Click Manual config.
Choose IMAP,
Verify that the mail server address and username match your Kerio connect server address and Kerio email address.
Click Re-test once the information has been verified.
Click Create Account.
- Note: the IMAP protocol does not support contacts or calendar folders.
- If you wish to have calendars in Mozilla Thunderbird, please download the lightning module from Mozilla's website.
Follow these steps to access other email folders by subscribing.
1. Right-click on your account and choose the option Subscribe.
2. Check the folders you want to subscribe to and click Subscribe.
3. To access your contacts in Mozilla Thunderbird refer to Accessing Kerio Address Book using Mozilla Thunderbird.