"Temporary authentication failure" ? Cant connect with ldap user

[Steffen Kaiser]

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On Mon, 23 Feb 2015, David Scheele wrote:

> So, I set up the Server, installed and configured postfix, ldap and dovecot
> (in that order) and now simply try to log into the mail account with a used
> from the LDAP over telnet.
>
> The test looks like this:
>
> *|> telnet localhost 143*
> *| a bunch of stuff ending with:*
> *| OK [**] Dovecot ready.*
> *|> a login username userpassword*
> *| a NO [UNAVAILABLE] Temporary authentication failure. [host and date
> here]*
>
> In the logs it says
>
> *|[date] mailserver dovecot: auth: Error: LDAP: binding failed (dn
> cn=admin): Invalid credentials*
>
> But I KNOW the admin password I entered into the dovecot-lda.conf.ext is
> correct as I use it to log into the LDAP directory over jxplorer
>
> I also know the password for the user i try to log in with is correct as i
> set it myself over and over just to be sure there are no typos.
> I'm at a loss, I've been at this end for a few days now and can't find good
> tutorials online because its either always an old dovecot, postfix, ldap or
> debian version and somewhere in the middle it just stops because some file
> is completely missing. I get the impression I'm just not able-brained for
> linux useage.
>
> Anyway, here are a few more informations about the system:
>
> *Dovecot version 2.1.7*
>
> Output of grep -v '^ *\(#.*\)\?$' dovecot-sql.conf:
                                     ^^^^^^^^^^^^^^^^
>
> *hosts = localhost*
> *dn = cn=admin*
> *dnpass = [password]*
> *sasl_bind = no*
> *tls = no*
> *auth_bind = yes*
> *ldap_version = 3*
> *base = dc=[domainname],dc=de*
> *user_attrs = uidNumber=uid,gidNumber=gid*
> *user_filter = (&(objectClass=posixAccount)(uid=%u))*
> *pass_attrs = uid=user,userPassword=password*
>
> Output of dovecot -n:
>
> *disable_plaintest_auth = no*
> *mail_location = mbox:~/mail:INBOX=/var/mail/%u*
> *[namespace config here]*
>
> *passdb {*
> *args = /etc/dovecot/dovecot-ldap.conf.ext*
                        ^^^^^^^^^^^^^^^^^^^^

filename mismatch

> *driver = ldap*
> *}*
> *plugin {*
> *sieve = ~/.dovecot.sieve*
> *sieve_dir = ~/sieve*
> *}*
>
> *protocols = " imap pop3"*
> *ssl_cert = </etc/dovecot/dovecot.pem*
> *ssl_key = </etc/dovecot/private/dovecot.pem*
> *userdb {*
> *args = /etc/dovecot/dovecot-ldap.conf.ext*
> *driver =ldap*
> *}*
> *protocol pop3 {*
> *pop3_client_workarounds = outlook-no-nuls oe-ns-eoh*
> *pop3_uidl_format = %08Xu%08Xv*
> *}*
>
> Any help would be greatly apprechiated.... I'm going crazy over here.
>
> Thanks in advance,
> David
>

- -- 
Steffen Kaiser
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