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Help article

Set up Thunderbird.

Thunderbird can look the settings up from your address; if it finds nothing, enter the ones shown for your mailbox.

Add your mailbox to Thunderbird

  1. In Thunderbird, open Account Settings and choose Account Actions → Add Mail Account.
  2. Enter your name, the full mailbox address and the password, then continue.
  3. Thunderbird looks the configuration up. When it finds one, it shows an IMAP incoming server and an SMTP outgoing server: keep IMAP selected and finish.
  4. When it finds none, choose Configure manually and enter the incoming and outgoing server names, ports and encryption shown for your mailbox, with the full address as the username for both.

The automatic lookup works when your mailbox's domain publishes its settings for mail apps; the manual way always works. Your server settings are shown in three places: on the page right after the mailbox is set up, under My mailboxes in My account, and in webmail under Settings → Apps & sync.

With two-step verification on, use an app password instead of the mailbox password.

Calendar and address book

Thunderbird also syncs calendars and contacts. In webmail, Settings → Apps & sync shows the CalDAV address on the Calendar sync card and the CardDAV address on the Address book sync card, each with the steps for Thunderbird: add a network calendar with the CalDAV address, and a CardDAV address book with the CardDAV address. The username is your full address and the password is the mailbox password (or an app password).