unexpected delivery location

[Noel]

On 8/23/2017 4:30 AM, lists wrote:
> Hi,
>
> Not sure what the lack of replies means... As postfix is also
> involved, should I better ask there?
>
> It seems a little bit in between postfix and dovecot...
>
> Just to clearify one thing I wrote:
>
> On 22-8-2017 16:23, lists wrote:
>> We're running dovecot 2.2.13, virtual users, with postfix. We
>> have an olddomain and a new domainname. To 'translate'
>> *@olddomain into 
>
> With "translate" I mean that olddomain should be treated as if it
> were newdomain. No translation, but more like an alias.
>
> MJ


Don't use wildcard aliases.  They break recipient validation and
cause postfix to accept all addresses.

Instead use 1-1 aliases, such as
user1 at olddomaon  user1 at newdomain
user2 at olddomaon  user2 at newdomain
user3 at olddomaon  user3 at newdomain
...



  -- Noel Jones