disable_ipv6=false message_size_limit=20M smtp_receive_timeout=5m smtp_accept_max=100 message_body_visible=3000 print_topbitchars=true smtp_accept_max_nonmail=10 smtp_accept_max_per_host=10 recipients_max=150 smtp_accept_queue_per_connection=10 smtp_accept_max_per_connection=100 deliver_queue_load_max=5.0 queue_only_load=7.5 queue_run_max=5 ignore_bounce_errors_after=2d timeout_frozen_after=3d trusted_users=mail:majordomo:apache:diradmin split_spool_directory=yes