How are smtp connections managed? If ucspi-tcp is installed then there has to be a tcp.smtp file somewhere which would control this. Is your host using daemontools? If so, find the "run" file for smtp. In there, you'll see the tcpserver command, with an -x option. This option points to the cdb equivalent of your tcp.smtp file.

It's possible that xinetd is controlling smtp connections. If so, check that configuration instead of the tcp.smtp file.

BL, you're looking for something which sets the RELAYCLIENT environment variable, which when set (to any value) allows the client to send with no authentication required.

HTH.

--
-Eric 'shubes'

On 11/15/2012 03:49 AM, Am Am wrote:
Hi,

I already asked the admin to check that but he said there is no
/etc/tcprules.d/tcp.smtp file. What are other methods?

------------------------------------------------------------------------
*From:* Eric Shubert <[email protected]>
*To:* [email protected]
*Sent:* Thursday, 15 November 2012, 6:24:54
*Subject:* [qmailtoaster] Re: How to force enabling "My server requires
authentication"

On 11/14/2012 01:55 PM, Am Am wrote:
 > Hi,
 >
 > I have a user which can send out e-mail from outlook with wrong password
 > when  "My server requires authentication"  is not checked, that is a
 > customized qmail not 'Toaster' but it could be similar on most settings,
 > as I checked the server is not openrelay (checked by
 > http://www.mailradar.com/openrelay/). Does someone have any idea?
 >
 > Thanks

Is the user's IP address in /etc/tcprules.d/tcp.smtp file? That's the
most common way.

--
-Eric 'shubes'

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