Postfix: /etc/postfix/main.cf

# /etc/postfix/main.cf
# icmail.hureeict.edu.mn

# 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 = icmail.hureeict.edu.mn

smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu)
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

readme_directory = no

# 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:${data_directory}/smtpd_scache
smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache

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

myhostname = icmail.hureeict.edu.mn
alias_maps = hash:/etc/aliases
alias_database = hash:/etc/aliases
myorigin = icmail.hureeict.edu.mn
mydestination = icmail.hureeict.edu.mn, localhost
mynetworks = 127.0.0.0/8 124.158.108.0/24 [::1]/128 [fe80::%eth1]/64
mailbox_size_limit = 0
recipient_delimiter = +
inet_protocols = all
home_mailbox =
smtpd_sasl_auth_enable = no
smtpd_sasl_type = cyrus
smtpd_sasl_path = smtpd
smtpd_sasl_authenticated_header = no
smtpd_sasl_security_options = noanonymous
smtpd_sasl_local_domain =
broken_sasl_auth_clients = no
smtpd_recipient_restrictions = permit_mynetworks, reject_unauth_destination
smtpd_sender_restrictions =
mailbox_command =
smtp_use_tls = no
smtpd_tls_received_header = no
smtpd_tls_mandatory_protocols = SSLv3, TLSv1
smtpd_tls_mandatory_ciphers = medium
smtpd_tls_auth_only = no
tls_random_source = dev:/dev/urandom
relayhost =
inet_interfaces = all