[Dovecot] Dovecot LDAP issue

[Deeztek Support]

On 4/7/2014 6:13 PM, Reindl Harald wrote:
>
>
> Am 07.04.2014 23:47, schrieb Deeztek Support:
>> On 4/7/2014 4:42 PM, Christian Schmidt wrote:
>>> 7.04.2014 20:43, Deeztek Support:
>>>> On 4/7/2014 2:08 PM, Oscar del Rio wrote:
>>>>>
>>>>> On 04/ 7/14 01:46 PM, Deeztek Support wrote:
>>>>>>
>>>>>> I'm authenticating users through AD and it seems to work with no
>>>>>> problems. Unfortunately, when I try to send e-mail from a user who's
>>>>>> not in the testou container I get the following error:
>>>>>>
>>>>>> Sender address rejected: User unknown in virtual mailbox table> #SMTP#.
>>>>>>
>>>>>
>>>>> Looks like a Postfix error, not Dovecot.
>>>>
>>>> I don't think so. Postfix already looks from the root of the AD down and
>>>> it has no problems. Dovecot does not authenticate at all if I simply put
>>>> the AD root in the ldap configuration file.
>>>
>>> "User unknown in virtual mailbox table" is what *postfix* tells you.
>>> Dovecot does not do SMTP (yet). Thus, I suppose that dovecot doesn't get
>>> involved at all (although this depends on your configuration).
>>>
>>> I recommend to check the restrictions you defined in your postfix
>>> configuration.
>>>
>> The reason I think it's Dovecot generating the error is because when the IP address of the sending server is not in
>> the mynetworks directive of postfix I get the following error
>
> why in the world do you strip logs
>
> syslog contains even the process who generates a entry and
> so there is not much to guess if you *really* look at the log
>
>

I'm not stripping any logs. The error I put is from the bounce message. 
The syslog says the following:

Apr  7 17:39:39 ewa postfix/pipe[7134]: E35AE860B26: 
to=<someone at domain.tld>, relay=dovecot, delay=0.02, delays=0/0/0/0.01, 
dsn=5.1.1, status=bounced (user unknown. Command output:

So mystery solved, it really is dovecot generating the error.

Question remains, can someone please tell me how to get Dovecot do LDAP 
looks from the AD root?