Fehlerhafte Postfix Konfiguration

# 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

# See http:{{comment_single_line_double_slash:0}}
# fresh installs.
compatibility_level = 2

# 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.
message_size_limit = 50480000
myhostname = postfix.server
mydomain = domain
mydestination = hier kommen die Domains rein die angenommen werden sollen?

alias_maps = hash:/etc/aliases
alias_database = hash:/etc/aliases
myorigin = /etc/mailname

relay_domains = hier die Domains die weitergeleitet werden dürfen?
relayhost = [192.168.178.2]:25
mynetworks =  192.168.178.0/24 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128
mailbox_size_limit = 0
recipient_delimiter = +
inet_interfaces = all
transport_maps = hash:/etc/postfix/transport
inet_protocols = all

smtpd_recipient_restrictions = permit_mynetworks
                                permit_sasl_authenticated
                                defer_unauth_destination

smtpd_relay_restrictions = permit_mynetworks permit_sasl_authenticated defer_unauth_destination