relayhost = 127.0.0.1:55225
myhostname = localhost
mynetworks = 127.0.0.0/8
myorigin = $mydomain
mydestination = $mydomain, $myhostname, localhost.$mydomain, localhost
inet_interfaces = all
home_mailbox = Maildir/

inet_protocols = ipv4
disable_dns_lookups = yes
smtpd_peername_lookup = no
smtp_destination_concurrency_limit = 250
local_destination_concurrency_limit = 250
default_destination_concurrency_limit = 250
initial_destination_concurrency = 250
smtpd_client_connection_count_limit = 500
default_process_limit = 300
in_flow_delay = 0

smtpd_client_restrictions = permit_mynetworks
smtpd_helo_restrictions = permit_mynetworks
smtpd_sender_restrictions = permit_mynetworks
prepend_delivered_header = file

alias_maps = hash:/etc/aliases
canonical_maps = hash:/etc/postfix/canonical
sender_canonical_maps = hash:/etc/postfix/sender_canonical
transport_maps = hash:/etc/postfix/transport
virtual_maps = hash:/etc/postfix/virtual
relocated_maps = hash:/etc/postfix/relocated
mail_spool_directory = /var/mail
command_directory = /usr/sbin
daemon_directory = /usr/lib/postfix
queue_directory = /var/spool/postfix
sendmail_path = /usr/sbin/sendmail
mailq_path = /usr/bin/mailq
newaliases_path = /usr/bin/newaliases
readme_directory = /usr/share/doc/packages/postfix/README_FILES
manpage_directory = /usr/share/man
html_directory = /usr/share/doc/packages/postfix/html
sample_directory = /usr/share/doc/packages/postfix/samples

mail_owner = postfix
setgid_group = maildrop
smtpd_helo_required = no
strict_rfc821_envelopes = no
message_size_limit = 10240000
mailbox_size_limit = 0
biff = no

masquerade_classes = envelope_sender, header_sender, header_recipient
masquerade_exceptions = root
smtpd_sasl_auth_enable = no
smtpd_use_tls = no
smtp_sasl_auth_enable = no
smtp_use_tls = no
unknown_local_recipient_reject_code = 550