Re: Kolab 3.1 postfix relay access denied

[Tomas Kucera]

Mike,

thanks a lot for the solution. It solved major part of it.

Now I can send emails from users that belong to the domains under Kolab's control.

Another thing ... how to enable the SMTP also for other users that know the credentials, such as:
sender is user at ilovekolab.com while ilovekolab.com is not under the governance of Kolab but it could use credentials of user at example.org to authenticate to the SMTP server.

Is that simply doable?

Thanks in advance!

Kind Regards,
Tom.

______________________________________________________________
> Od: "Brady, Mike" <mike.brady at devnull.net.nz>
> Komu: <users at lists.kolab.org>
> Datum: 17.03.2014 20:39
> Předmět: Re: Kolab 3.1 postfix relay access denied
>
>On 2014-03-18 07:56, Tomas Kucera wrote:
>> Hi there,
>> 
>> I would like to ask for a help. I am not at all proficient in postfix.
>> I got to a point where it seems like a lot of things work as expected.
>> The current thing I am fighting is the following:
>> 
>> - CentOS 6.5
>> - Kolab 3.1 (tried 3.2 but the multidomain setup just did not work)
>> - multidomain setup
>> - from Roundcube everything works fine
>> - from external client (in my case Mail on Mac) when sending an email
>> to a domain that is outside of the domains under control of Kolab /
>> postfix I get Relay access denied.
>> 
>> I suppose that it is correct with the default setting but I just
>> cannot figure out how to configure the postfix in a way that it will
>> accept authenticated users and will allow them to send the emails
>> everywhere.
>> 
>> I went through the documentation of postfix and tried some of the
>> options for smtpd_xxx_restrictions, but did not get it to work.
>> 
>> So, please, please, help me!!!
>> 
>> A bonus would be to give some hints on potential security threats.
>> 
>> Thanks in advance!
>> 
>> Kind Regards,
>> Tom.
>> _______________________________________________
>> users mailing list
>> users at lists.kolab.org
>> https://lists.kolab.org/mailman/listinfo/users
>
>I am guessing that you are trying to send via Postfix's MTA (port 25 or 
>465)?   Clients should be using Postfix's MSA (port 587) to send email.  
>Postfix's smtpd_xxx_restrictions shouldn't need adjusting to do this.
>
>Regards
>
>Mike
>_______________________________________________
>users mailing list
>users at lists.kolab.org
>https://lists.kolab.org/mailman/listinfo/users
>