On 02/10/2023 13:44, Adrian Zaugg via Exim-users wrote:
> The official communication talks of "EXTERNAL auth": Is it meant for
>
> driver = external
>
> as mentioned under [1] or any external authentication like
>
> driver = dovecot
>
> and thus written capitalized? Or does EXTERNAL refer to something completely
> different?
>
> Thank you for clarification.
There's two concepts here:
a) the driver (a module within Exim),
which has the lowercase word as it's label.
b) the ESMTP protocol word used to negociate use of the feature.
Traditionally in all-caps.
For this one there's maximum confusion. The driver only handles the one method.
But the "plaintext" driver (for instance) handles both LOGIN and PLAIN methods.
--
Cheers,
Jeremy
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