Secure authtentication (SPA) with MS Outlook 2002?

sam wun sam.wun at authtec.net
Sat Nov 6 04:43:04 EST 2004


Ken Murchison wrote:

> sam wun wrote:
>
>> Roland Pope wrote:
>>
>>> ----- Original Message ----- From: "sam wun" <sam.wun at authtec.net>
>>>  
>>>
>>>> Do you know how to configure imapd.conf to support NTLM 
>>>> authentication?
>>>>   
>>>
>>>
>>> You need to have the SASL NTLM plugin in your SASL plugins directory
>>> (/usr/lib/sasl2/libntlm.so under RedHat Linux).  If it's not there, 
>>> you will
>>> need to recompile SASL with --enable-ntlm set.
>>> To enable IMAP use of NTLM you can use 'sasl_mech_list: NTLM' and
>>> 'sasl_ntlm_server: mywindowsdc' (where 'mywindowsdc' is the name of 
>>> your
>>> windows domain controller), in your imapd.conf file.
>>>  
>>>
> You do not have to set sasl_ntlm_server.  If not set, then the mail 
> server will generate its own challenges and verify the password from 
> whatever auxprop plugin you are using (e.g. sasldb).
>
> sasl_ntlm_server is only used if you already have a windows domain 
> controller present and don't want to duplicate passwords.
>
Hi,

I included NTLM inthe sasl_mech_list, which look like as below:
#sasl_mech_list: plain login cram-md5 digest-md5
sasl_mech_list: NTLM
#sasl_pwcheck_method: saslauthd
sasl_pwcheck_method: auxprop
sievedir: /var/imap/sieve
timeout:  30

but Outlook still failed with the error "relay not permitted."

I have sasl2 compiled with ntlm:
# ls -l /usr/local/lib/sasl2 | grep ntlm
-rw-r--r--   1 root  wheel  28268 Oct 25 13:53 libntlm.a
lrwxr-xr-x   1 root  wheel     12 Oct 25 13:53 libntlm.so@ -> libntlm.so.2
-rwxr-xr-x   1 root  wheel  31858 Oct 25 13:53 libntlm.so.2*

Thanks
Sam

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