Here is post main.cf configuration:
queue_directory = /var/spool/postfix
command_directory = /usr/sbin
daemon_directory = /usr/lib/postfix/sbin
data_directory = /var/lib/postfix
mail_owner = postfix
sendmail_path = /usr/sbin/sendmail
newaliases_path = /usr/bin/newaliases
mailq_path = /usr/bin/mailq
setgid_group = postdrop
debugger_command =
PATH=/bin:/usr/bin:/usr/local/bin:/usr/X11R6/bin
ddd $daemon_directory/$process_name $process_id & sleep 5
debug_peer_level = 2
unknown_local_recipient_reject_code = 550
biff = no
swap_bangpath = no
allow_percent_hack = no
allow_min_user = no
disable_vrfy_command = yes
inet_protocols = all
inet_interfaces = all
smtpd_tls_key_file = /pathto/key
smtpd_tls_cert_file = /pathto/crt
smtpd_tls_CAfile = /pathto/ca-bundle
smtpd_tls_protocols = !SSLv2 !SSLv3
smtpd_tls_mandatory_protocols = !SSLv2 !SSLv3
smtp_tls_protocols = !SSLv2 !SSLv3
smtp_tls_mandatory_protocols = !SSLv2 !SSLv3
lmtp_tls_protocols = !SSLv2 !SSLv3
lmtp_tls_mandatory_protocols = !SSLv2 !SSLv3
smtpd_tls_exclude_ciphers = aNULL, eNULL, EXPORT, DES, RC4, MD5, PSK, aECDH, EDH-DSS-DES-CBC3-SHA, EDH-RSA-DES-CDC3-SHA, KRB5-DE5, CBC3-SHA
smtpd_tls_dh512_param_file = /etc/ssl/dh512_param.pem
smtpd_tls_dh1024_param_file = /etc/ssl/dh2048_param.pem
tls_random_source = dev:/dev/urandom
smtp_tls_loglevel = 1
smtpd_tls_loglevel = 1
smtpd_tls_security_level = may
smtp_tls_security_level = may
smtp_tls_CAfile = $smtpd_tls_CAfile
smtp_tls_note_starttls_offer = yes
smtpd_reject_unlisted_recipient = yes
smtpd_reject_unlisted_sender = yes
header_checks = pcre:/etc/postfix/header_checks
body_checks = pcre:/etc/postfix/body_checks.pcre
smtpd_helo_required = yes
smtpd_helo_restrictions =
permit_mynetworks
permit_sasl_authenticated
reject_non_fqdn_helo_hostname
reject_invalid_helo_hostname
check_helo_access pcre:/etc/postfix/helo_access.pcre
smtpd_sender_restrictions =
reject_unknown_sender_domain
reject_non_fqdn_sender
reject_unlisted_sender
permit_mynetworks
permit_sasl_authenticated
check_sender_access pcre:/etc/postfix/sender_access.pcre
smtpd_recipient_restrictions =
reject_unknown_recipient_domain
reject_non_fqdn_recipient
reject_unlisted_recipient
check_policy_service inet:127.0.0.1:7777
permit_mynetworks
permit_sasl_authenticated
reject_unauth_destination
smtpd_data_restrictions = reject_unauth_pipelining
smtpd_end_of_data_restrictions = check_policy_service inet:127.0.0.1:7777
proxy_read_maps = $canonical_maps $lmtp_generic_maps $local_recipient_maps $mydestination $mynetworks $recipient_bcc_maps $recipient_canonical_maps $relay_domains $rel$
enable_original_recipient = no
virtual_minimum_uid = 2000
virtual_uid_maps = static:2000
virtual_gid_maps = static:2000
virtual_mailbox_base = /var/vmail
virtual_alias_domains =
smtpd_sasl_auth_enable = yes
smtpd_sasl_security_options = noanonymous
myhostname = ubuntu.md-masterbatch.com
myorigin = ubuntu.md-masterbatch.com
mydomain = ubuntu.md-masterbatch.com
mynetworks = 127.0.0.1
mydestination = $myhostname, localhost, localhost.localdomain
alias_maps = hash:/etc/postfix/aliases
alias_database = hash:/etc/postfix/aliases
message_size_limit = 15728640
recipient_delimiter = +
compatibility_level = 2
transport_maps =
proxy:mysql:/etc/postfix/mysql/transport_maps_user.cf
proxy:mysql:/etc/postfix/mysql/transport_maps_domain.cf
sender_dependent_relayhost_maps =
proxy:mysql:/etc/postfix/mysql/sender_dependent_relayhost_maps.cf
smtpd_sender_login_maps =
proxy:mysql:/etc/postfix/mysql/sender_login_maps.cf
virtual_mailbox_domains =
proxy:mysql:/etc/postfix/mysql/virtual_mailbox_domains.cf
relay_domains =
$mydestination
proxy:mysql:/etc/postfix/mysql/relay_domains.cf
virtual_mailbox_maps =
proxy:mysql:/etc/postfix/mysql/virtual_mailbox_maps.cf
virtual_alias_maps =
proxy:mysql:/etc/postfix/mysql/virtual_alias_maps.cf
proxy:mysql:/etc/postfix/mysql/domain_alias_maps.cf
proxy:mysql:/etc/postfix/mysql/catchall_maps.cf
proxy:mysql:/etc/postfix/mysql/domain_alias_catchall_maps.cf
sender_bcc_maps =
proxy:mysql:/etc/postfix/mysql/sender_bcc_maps_user.cf
proxy:mysql:/etc/postfix/mysql/sender_bcc_maps_domain.cf
recipient_bcc_maps =
proxy:mysql:/etc/postfix/mysql/recipient_bcc_maps_user.cf
proxy:mysql:/etc/postfix/mysql/recipient_bcc_maps_domain.cf
postscreen_dnsbl_threshold = 2
postscreen_dnsbl_sites = zen.spamhaus.org*3 b.barracudacentral.org*2
postscreen_dnsbl_reply_map = texthash:/etc/postfix/postscreen_dnsbl_reply
postscreen_access_list = permit_mynetworks, cidr:/etc/postfix/postscreen_access.cidr
postscreen_greet_action = enforce
postscreen_dnsbl_action = enforce
postscreen_blacklist_action = enforce
smtpd_sasl_type = dovecot
smtpd_sasl_path = private/dovecot-auth
virtual_transport = dovecot
dovecot_destination_recipient_limit = 1
content_filter = smtp-amavis:[127.0.0.1]:10024
smtp-amavis_destination_recipient_limit = 1
smtpd_use_tls = yes
