Mine

2bounce_notice_recipient = postmaster
alias_database = hash:/etc/postfix/aliases
alias_maps = $alias_database
bounce_notice_recipient = postmaster
command_directory = /usr/sbin
config_directory = /etc/postfix
content_filter = smtp-amavis:[127.0.0.1]:10024
daemon_directory = /usr/lib/postfix
debug_peer_level = 1
default_privs = nobody
delay_notice_recipient = postmaster
delay_warning_time = 3h
error_notice_recipient = postmaster
hash_queue_names = deferred, defer active bounce flush incoming
html_directory = no
in_flow_delay = 5s
inet_interfaces = xx.xx.xx.xx, localhost
local_recipient_maps = $virtual_mailbox_maps
mail_owner = postfix
mailbox_size_limit = 60485760
mailq_path = /usr/bin/mailq
manpage_directory = /usr/man
message_size_limit = 50485760
mydestination = $myhostname, localhost.$mydomain, $mydomain
mydomain = mydomain.net
myhostname = mail.mydomain.net
mynetworks = 127.0.0.1, xx.xx.xx.xx, xx.xx.xx.xx
myorigin = $mydomain
newaliases_path = /usr/bin/newaliases
notify_classes = bounce,delay,policy,protocol,resource,software
queue_directory = /var/spool/postfix
readme_directory = no
recipient_bcc_maps = hash:/etc/postfix/recipient_bcc
relay_domains = $virtual_mailbox_domains
sample_directory = /etc/postfix/samples
sendmail_path = /usr/sbin/sendmail
setgid_group = postdrop
smtp_sasl_password_maps = mysql:/etc/postfix/virtual/mysql_virtual_mailbox_maps.cf
smtp_tls_note_starttls_offer = yes
smtp_use_tls = yes
smtpd_banner = Welcome to mail.mydomain.net!
smtpd_client_restrictions = permit_mynetworks, permit_sasl_authenticated
smtpd_recipient_restrictions = permit_sasl_authenticated,permit_mynetworks,reject_unauth_destination
smtpd_sasl_auth_enable = yes
smtpd_sasl_local_domain = $myhostname
smtpd_sasl_security_options = noanonymous
smtpd_sender_restrictions = permit_mynetworks, permit_sasl_authenticated
smtpd_tls_CAfile = /etc/postfix/ssl/smtpd.pem
smtpd_tls_cert_file = /etc/postfix/ssl/smtpd.pem
smtpd_tls_key_file = /etc/postfix/ssl/smtpd.pem
smtpd_tls_loglevel = 1
smtpd_tls_received_header = yes
smtpd_tls_session_cache_timeout = 3600s
smtpd_use_tls = yes
syslog_facility = mail
tls_random_source = dev:/dev/urandom
unknown_local_recipient_reject_code = 450
virtual_alias_maps = mysql:/etc/postfix/virtual/mysql_virtual_alias_maps.cf
virtual_create_maildirsize = yes
virtual_gid_maps = static:207
virtual_mailbox_base = /data/mail
virtual_mailbox_domains = mysql:/etc/postfix/virtual/mysql_virtual_domains_maps.cf
virtual_mailbox_limit = 214857600
virtual_mailbox_limit_maps = mysql:/etc/postfix/virtual/mysql_virtual_mailbox_limit_maps.cf
virtual_mailbox_maps = mysql:/etc/postfix/virtual/mysql_virtual_mailbox_maps.cf
virtual_minimum_uid = 207
virtual_transport = virtual
virtual_uid_maps = static:207