Postfix alias problem

[Colin Law]

On 24 November 2015 at 10:06, Karl Auer <kauer at biplane.com.au> wrote:
> On Tue, 2015-11-24 at 09:46 +0000, Colin Law wrote:
>> Having said previously that I had postfix all working for sending
>> email from my server I find I cannot get aliases to work.
>> [...]
>> mydestination = localdomain, localhost, localhost.localdomain, localhost
>> myhostname = <mydomain>.org.uk
>
> I'm no postfix guru, but I think you may have to add mydomain.co.uk to
> the list in mydestination. mydestination is (I seem to recall) the list
> of domains that will be treated as local ("deliver to this machine").
>
> An alias will have no effect unless the email is given up for local
> processing. The normal case is to look up the MX record for the
> destination domain and ship the message out to the specified mail
> exchanger... which seems to be what's happening to your test messages.

That fixed it Karl, thanks.  You are obviously more of a postfix guru
than you thought.  I am surprised I didn't find that by googling.

Thanks again

Colin