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