On 06/12/16 13:33, MRob wrote: >> See http://www.postfix.org/ADDRESS_REWRITING_README.html > > This says .forward is only used by local(8).
Correct. > So in my case, dovecot LMTP seems to be responsible for this? No, local(8) is. Delivery of *all* mail to recipient domains listed in the local address class is done by local(8). The mailbox_transport and mailbox_transport_maps settings are handled by local(8): mailbox_transport (empty) Optional message delivery transport that the _local(8)_delivery_agent_ should use ... Peter