Sichere Postfix-Config

# 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 (Debian/GNU)
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 = riditt.de
alias_maps = hash:/etc/aliases
alias_database = hash:/etc/aliases
myorigin = /etc/mailname
mydestination = $myhostname, $mydomain, localhost.$myhostname, localhost.$mydomain, localhost
mynetworks = 127.0.0.0/8
mailbox_size_limit = 512000000
recipient_delimiter = +
inet_interfaces = all
inet_protocols = all
smtpd_client_restrictions = permit_mynetworks permit_inet_interfaces reject_unknown_reverse_client_hostname permit_tls_all_clientcerts
smtpd_recipient_restrictions = permit_mynetworks permit_inet_interfaces reject_unknown_reverse_client_hostname permit_sasl_authenticated check_relay_domains
smtpd_sasl_auth_enable = yes