Fresh kolab3 on Debian/Wheezy: local delivery is not staying local?

[Jeroen van Meeuwen]

On Tuesday, February 19, 2013 06:13:30 PM Johannes Graumann wrote:
> Hello,
> 
> The Kolab3 System that is soon to replace my running 2.4 one currently has
> no mx record etc. set.
> This makes me suspect that the reason why locally triggered test mails
> (/etc/aliases has "root: me at mydomain.org") are not delivered is that postfix
> is not keeping such mails local but routing them out and they are thus
> currently not received.
> 
> Is that accurate? Can that postfix-behavior be changed?
> 

Postfix should only relay messages to those recipient addresses that are not 
considered local. Messages sent to spaces with no MX record will be sent to 
the IN A address of said hostname or domain name.

For the domain "mydomain.org", you can check whether Postfix believes this to 
be a locally hosted domain name space with:

  postmap -q mydomain.org ldap:/etc/postfix/ldap/mydestinations.cf

For the recipient "me at mydomain.org", you can check whether that is considered 
a valid recipient address with:

  postmap -q me at mydomain.org ldap:/etc/postfix/ldap/local_recipient_maps.cf

Kind regards,

Jeroen van Meeuwen

-- 
Systems Architect, Kolab Systems AG

e: vanmeeuwen at kolabsys.com
m: +44 74 2516 3817
w: http://www.kolabsys.com

pgp: 9342 BF08
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