Fwd: lmtp and virtual users

[Aki Tuomi]

On 1.10.2019 17.33, David Wells - Alfavinil S.A. via dovecot wrote:
> Good morning.
>
> I was just reading
> https://wiki.dovecot.org/AuthDatabase/LDAP/PasswordLookups and found
> the following statement
>> When using LDA <https://wiki.dovecot.org/LDA> and static userdb,
>> deliver can check if destination user exists. With auth binds this
>> check isn't possible.
>
> Is this still relevant? Is there a workaround? It seems like using
> dovecots lmtp in an active directory environment is not possible, is
> this correct?
>
You cannot check user existence with auth binds because auth bind
requires user credentials.

This is why I suggested you use a "service user" in LDAP to perform the
database lookups instead of auth binds. You can still authenticate your
users using kerberos.

Aki

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