postfix.cf 717 B
# Overrides for mailman3 integration
# see https://patrick.georgi.family/2019/01/12/combining-mailman-3-with-mailu/
append_at_myorigin=no
append_dot_mydomain=no
recipient_delimiter = +
unknown_local_recipient_reject_code = 550
owner_request_special = no
virtual_mailbox_maps = regexp:/opt/mailman/postfix_lmtp \${podop}mailbox
#virtual_mailbox_domains = \${sql}sqlite-virtual_mailbox_domains.cf
transport_maps = regexp:/opt/mailman/postfix_lmtp \lmdb:/etc/postfix/transport.map \${podop}transport
local_recipient_maps = regexp:/opt/mailman/postfix_lmtp
always_add_missing_headers = yes
local_header_rewrite_clients = permit_sasl_authenticated
relay_domains = regexp:/opt/mailman/postfix_domains \${podop}transport