[Dovecot] Dovecot and ActiveDirectory

[Hoffmann, Oliver]

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Hi!

Is there a solution to auth dovecot against an windows active directory?
i've tried this config:

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# Space separated list of LDAP hosts to use. host:port is allowed too.
hosts = dc.foo.bar

# Distinguished Name - the username used to login to the LDAP server
dn = cn=oh,cn=Users,dc=foo,dc=bar

# Password for LDAP server
dnpass = password

# LDAP protocol version to use. Likely 2 or 3.
ldap_version = 3

# LDAP base
base = cn=Users,dc=foo,dc=bar

# Dereference: never, searching, finding, always
#deref = never

# Search scope: base, onelevel, subtree
scope = subtree

# User attributes in order:
user_attrs = uid,homeDirectory,,,uidNumber,gidNumber

# Filter for user lookup. Some variables can be used:
#user_filter = (&(objectClass=posixAccount)(uid=%u))

# Password checking attributes in order:
pass_attrs = uid,userPassword

# Filter for password lookups
#pass_filter = (&(objectClass=posixAccount)(uid=%u))

# Default password scheme. "{scheme}" before password overrides this.
#default_pass_scheme = CRYPT

# You can use same UID and GID for all user accounts if you really want
# to.
# If the UID/GID is still found from LDAP reply, it overrides these values.
#user_global_uid =
#user_global_gid =
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but got this error:

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dovecot-auth: Jul 13 16:42:09 Error: ldap(oh): unknown user
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thx & greets
oliver
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