# See /usr/share/postfix/main.cf.dist for a commented, more complete version


# Debian specific:  Specifying a file name will cause the first
# line of that file to be used as the name.  The Debian default
# is /etc/mailname.
#myorigin = /etc/mailname

smtpd_banner = $myhostname ESMTP $mail_name 
biff = no

# appending .domain is the MUA's job.
append_dot_mydomain = no

# Uncomment the next line to generate "delayed mail" warnings
delay_warning_time = 4h

# will it be a permanent error or temporary
unknown_local_recipient_reject_code = 450 
# how long to keep message on queue before return as failed.
# some have 3 days, I have 16 days as I am backup server for some people
# whom go on holiday with their server switched off.
maximal_queue_lifetime = 7d 
# max and min time in seconds between retries if connection failed
minimal_backoff_time = 1000s 
maximal_backoff_time = 8000s 
# how long to wait when servers connect before receiving rest of data
smtp_helo_timeout = 60s 
# how many address can be used in one message.
# effective stopper to mass spammers, accidental copy in whole address list
# but may restrict intentional mail shots.
smtpd_recipient_limit = 16 
# how many error before back off.
smtpd_soft_error_limit = 3 
# how many max errors before blocking it.
smtpd_hard_error_limit = 12



# TLS parameters
smtpd_tls_cert_file=/etc/ssl/certs/ssl-cert-snakeoil.pem
smtpd_tls_key_file=/etc/ssl/private/ssl-cert-snakeoil.key
smtpd_use_tls=yes
smtpd_tls_session_cache_database = btree:${queue_directory}/smtpd_scache
smtp_tls_session_cache_database = btree:${queue_directory}/smtp_scache
smtpd_data_restrictions = reject_unauth_pipelining

# See /usr/share/doc/postfix/TLS_README.gz in the postfix-doc package for
# information on enabling SSL in the smtp client.

myhostname = server
mydomain = eudealers.com

alias_maps = hash:/etc/aliases
alias_database = hash:/etc/aliases
myorigin = /etc/mailname
mydestination =  $myhostname $mydomain localhost localhost.$mydomain
relayhost = 
mynetworks =127.0.0.0/10 192.168.0.0/20
mailbox_size_limit = 0
recipient_delimiter = +
inet_interfaces = all

masquerade_domains = eudealers.com

virtual_alias_domains = 

local_recipient_maps = 
mydestination =

# Requirements for the HELO statement
smtpd_helo_restrictions = permit_mynetworks, warn_if_reject reject_non_fqdn_hostname,  permit

#smtpd_helo_restrictions = permit_mynetworks, warn_if_reject reject_non_fqdn_hostname,  reject_invalid_hostname, permit

# Requirements for the sender details
smtpd_sender_restrictions = permit_sasl_authenticated, permit_mynetworks, warn_if_reject reject_non_fqdn_sender, reject_unauth_pipelining, permit
#smtpd_sender_restrictions = permit_sasl_authenticated, permit_mynetworks, warn_if_reject reject_non_fqdn_sender, reject_unknown_sender_domain, reject_unauth_pipelining, permit


# Requirements for the connecting server smtpd_client_restrictions = reject_rbl_client sbl.spamhaus.org, reject_rbl_client relays.ordb.org, reject_rbl_client blackholes.easynet.nl,  reject_rbl_client dnsbl.njabl.org 
# Requirement for the recipient address
#smtpd_recipient_restrictions = reject_unauth_pipelining, permit_mynetworks,permit_sasl_authenticated, reject_non_fqdn_recipient, reject_unauth_destination,check_policy_service inet:127.0.0.1:60000,permit


smtpd_recipient_restrictions = permit_mynetworks permit_sasl_authenticated reject_unauth_destination


# require proper helo at connections 
smtpd_helo_required = yes
# waste spammers time before rejecting them
smtpd_delay_reject = yes
disable_vrfy_command = yes




# Custom stuff for postfix admin
virtual_alias_maps=pgsql:/etc/postfix/pgsql/virtual_alias_maps.cf
# What (virtual) domains Postfix does mail for
virtual_mailbox_domains = pgsql:/etc/postfix/pgsql/virtual_domains_maps.cf
# Where Postfix finds the mailbox for $user@$domain
virtual_mailbox_maps = pgsql:/etc/postfix/pgsql/virtual_mailbox_maps.cf
# Incase we are a backup MX server for any domains :
relay_domains = pgsql:/etc/postfix/pgsql/relay_domains.cf
# Where all mailboxes are under 
# (i.e. resulting in /var/mail/vmail/$user@$domain/).
virtual_mailbox_base = /var/mail/vmail
# Quota limit...
virtual_mailbox_limit = 51200000
virtual_minimum_uid = 1001
virtual_transport = virtual
# What UID is used to deliver/own the mail files 
# (needs to link in with courier config)
virtual_uid_maps = static:1001
virtual_gid_maps = static:1001

# This is necessary for the virtual 'stuff' above to be used
local_transport = virtual
# This tells Postfix to accept mail for users 
# which appear in the virtual_mailbox_maps above.
local_recipient_maps = $virtual_mailbox_maps


smtpd_sasl_auth_enable = yes
broken_sasl_auth_clients = yes
smtpd_sasl_path=/etc/postfix/sasl:/usr/lib/sasl2
smtpd_sasl_security_options = noanonymous
smtpd_sasl_local_domain = $myhostname 
smtpd_sasl_security_options = noanonymous