Postfix /etc/postfix/main.cf

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

# See http://www.postfix.org/COMPATIBILITY_README.html
compatibility_level = 3.9

# Which domain that locally-originated mail appears to come from.
# Debian policy suggests to read this value from /etc/mailname.
#XX needs a review in postinst&config
#myorigin = /etc/mailname
#myorigin = $mydomain
myorigin = $myhostname

# Text that follows the 220 code in the SMTP server's greeting banner.
# You MUST specify $myhostname at the start due to an RFC requirement.
smtpd_banner = $myhostname ESMTP $mail_name (Debian)

# IP protocols to use: ipv4, ipv6, or all
# (set this explicitly so `post-install upgrade-configuration' wont complain)
inet_protocols = all

# List of "trusted" SMTP clients (maptype:mapname allowed) that have more
# privileges than "strangers".  If mynetworks is not specified (the default),
# mynetworks_style is used to compute its value.
#mynetworks_style = class
#mynetworks_style = subnet
mynetworks_style = host
#
mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128

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

# List of domains (maptype:mapname allowed) that this machine considers
# itself the final destination for.
mydestination = $myhostname, ba899532fddb, localhost.localdomain, , localhost

# Maximum size of a user mailbox
mailbox_size_limit = 0

# Optional external command to use instead of mailbox delivery.  If set,
# you must set up an alias to forward root mail to a real user.
#mailbox_command = /usr/bin/procmail
#mailbox_command = /usr/bin/procmail -a "$EXTENSION"
mailbox_command = 

# List of alias maps to use to lookup local addresses.
# Per Debian Policy it should be /etc/aliases.
alias_maps = hash:/etc/aliases

# List of alias maps to make indexes on, when running newaliases.
alias_database = hash:/etc/aliases

# Notify (or not) local biff service when new mail arrives.
# Rarely used these days.
biff = no

# Separator between user name and address extension (user+foo@domain)
#recipient_delimiter = +
recipient_delimiter = +

# A host to send "other" mail to
#relayhost = $mydomain
#relayhost = [gateway.example.com]
#relayhost = [ip.add.re.ss]:port
#relayhost = uucphost
relayhost = 

# Where to look for Cyrus SASL configuration files.  Upstream default is unset
# (use compiled-in SASL library default), Debian Policy says it should be
# /etc/postfix/sasl.
cyrus_sasl_config_path = /etc/postfix/sasl

# SMTP server RSA key and certificate in PEM format
smtpd_tls_key_file = /etc/ssl/private/ssl-cert-snakeoil.key
smtpd_tls_cert_file = /etc/ssl/certs/ssl-cert-snakeoil.pem
# SMTP Server security level: none|may|encrypt
smtpd_tls_security_level = may

# List of CAs for SMTP Client to trust
# Prefer this over _CApath when smtp is running chrooted
smtp_tls_CAfile = /etc/ssl/certs/ca-certificates.crt
# SMTP Client TLS security level: none|may|encrypt|...
smtp_tls_security_level = may
# SMTP Client TLS session cache
smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache
smtpd_relay_restrictions = permit_mynetworks permit_sasl_authenticated defer_unauth_destination
myhostname = ba899532fddb
inet_interfaces = all