ThunderBird - settings for Exchange

Андрей Михалевский 3,451 Reputation points
2024-06-27T12:58:54+00:00

Hello. Exchange 2019 on-premise. I have a task to configure ThunderBird via IMAP.

This mail client automatically finds the settings and connects:

TB1

Translate:

Обычный пароль - Basic password

Метод аутентификации - Authentication method

Basic and NTLM are used by default. I know this is not secure. + Microsoft Recommendation advises to disable NTLM and Basic.

  1. Is IMAP able to work via Kerberos ?
  2. Is SMTP authentication via kerberos supported in IMAP?

What are the recommended settings ?

TB2

The notification is in yellow, saying the server rejected my configuration.

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