postfix

alias_database = hash:/etc/postfix/aliases
alias_maps = hash:/etc/postfix/aliases
command_directory = /usr/sbin
config_directory = /etc/postfix
daemon_directory = /usr/libexec/postfix
debug_peer_level = 2
html_directory = /usr/share/doc/postfix-2.3.6-documentation/html
mail_owner = postfix
mailq_path = /usr/bin/mailq.postfix
manpage_directory = /usr/share/man
newaliases_path = /usr/bin/newaliases.postfix
queue_directory = /var/spool/postfix
readme_directory = /usr/share/doc/postfix-2.3.6-documentation/README_FILES
sample_directory = /etc/postfix
sendmail_path = /usr/sbin/sendmail.postfix
setgid_group = postdrop

# hostname
mynetworks = 127.0.0.1,1.202.235.250,219.232.255.37
myhostname = mail.cfdow.com
mydomain = cfdow.com
mydestination = $mynetworks, $myhostname

# banner
mail_name = Postfix - by cfdow.com
smtpd_banner = $myhostname ESMTP $mail_name

# response immediately
smtpd_error_sleep_time = 0s
unknown_local_recipient_reject_code = 550

# extmail config here
virtual_alias_maps = mysql:/etc/postfix/mysql_virtual_alias_maps.cf
virtual_mailbox_domains = mysql:/etc/postfix/mysql_virtual_domains_maps.cf
virtual_mailbox_maps = mysql:/etc/postfix/mysql_virtual_mailbox_maps.cf
virtual_transport = maildrop:

# maildrop setting
maildrop_destination_recipient_limit = 1

# smtpd related config
smtpd_recipient_restrictions =
permit_mynetworks,
permit_sasl_authenticated,
reject_sender_login_mismatch,
reject_non_fqdn_hostname,
reject_non_fqdn_sender,
reject_non_fqdn_recipient,
reject_unauth_destination,
reject_unauth_pipelining,
reject_invalid_hostname,
#reject_rbl_client cblless.anti-spam.org.cn,permit,
permit

# SMTP sender login matching config

smtpd_sender_restrictions =
reject_sender_login_mismatch,
reject_authenticated_sender_login_mismatch,
reject_unauthenticated_sender_login_mismatch

smtpd_sender_login_maps =
mysql:/etc/postfix/mysql_virtual_sender_maps.cf,
mysql:/etc/postfix/mysql_virtual_alias_maps.cf

# SMTP AUTH config here
broken_sasl_auth_clients = yes
smtpd_sasl_auth_enable = yes
smtpd_sasl_local_domain = $mydomain
smtpd_sasl_security_options = noanonymous

# Content-Filter
#content_filter = smtp:[127.0.0.1]:10024
#receive_override_options = no_address_mappings

# Message and return code control
message_size_limit = 20971520
show_user_unknown_table_name = no

# TLS configuration
smtpd_use_tls = yes
smtpd_tls_auth_only = no
smtp_tls_CAfile = /etc/postfix/tls/smtpd.pem
smtp_tls_cert_file = /etc/postfix/tls/smtpd.pem
smtp_tls_key_file = /etc/postfix/tls/smtpd.pem
smtpd_tls_CAfile = /etc/postfix/tls/smtpd.pem
smtpd_tls_cert_file = /etc/postfix/tls/smtpd.pem
smtpd_tls_key_file = /etc/postfix/tls/smtpd.pem
smtpd_tls_received_header = yes
smtpd_tls_loglevel = 0
smtpd_starttls_timeout = 60s