-accept_8bitmime
+no_accept_8bitmime
bounce_message_file =
callout_domain_negative_expire = 1h
daemon_smtp_ports =
never_users = root:root
percent_hack_domains =
qualify_domain = some.dom.ain
+retry_interval_max = 1d
receive_timeout = 0s
sender_unqualified_hosts = localhost:some.host.name
no_tcp_nodelay