Reinhard Vicinus:
> Hi,
>
> i'm in the process of replacing the lmtp backend of our mailservers. For
> testing the new lmtp backend i would like to deliver mails for selected
> users to both, the new and the old lmtp backend.
>
> In the past i have made a similar transition but with exim as mta. With
> exim this is very easily done with the unseen option (delivery of a mail
> is stopped, as soon as a message is "seen", unseen marked transports,
> don't mark a message as seen so other transports are also trickered),
> but i can't find how to configure postfix to do the same.
per-user transport map entries:
u...@example.com lmtp:
ot...@example.com local:
Wietse
