Re: Kolab 3.1 postfix relay access denied

[Tomas Kucera]

Actually just found that even other (non primary) domains are not allowed to send emails.

I am getting this: The server response was: <DATA>: Data command rejected: Could not find envelope sender user user at example.org.

tom.+

______________________________________________________________
> Od: "Tomas Kucera" <tku at centrum.cz>
> Komu: "Brady, Mike" <mike.brady at devnull.net.nz>, <users at lists.kolab.org>
> Datum: 17.03.2014 21:13
> Předmět: Re: Kolab 3.1 postfix relay access denied
>
>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
>>
>