# See /usr/share/postfix/main.cf.dist for a commented, more complete version
smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu)
biff = no
maillog_file = /dev/stdout

# 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://www.postfix.org/COMPATIBILITY_README.html -- default to 2 on fresh installs.
compatibility_level = 2

# local domains
myhostname = mta.zntrl.de
mydestination = $mydomain, localhost.$mydomain, localhost
alias_maps = hash:/etc/aliases
alias_database = hash:/etc/aliases
myorigin = zntrl.de
# mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128
# trusts all hosts in the kopano docker network
mynetworks_style = subnet

# virtual domains
virtual_mailbox_domains = zntrl.de ads64.de
virtual_mailbox_maps = hash:/etc/postfix/vmailbox
virtual_alias_maps = hash:/etc/postfix/virtual
# virtual_transport = lmtp:unix:/var/spool/kopano/dagent.sock
virtual_transport = lmtp:dagent:2003

# default outbound transport for all domains, use one relay for all domains
# authenticates to relay.zntrl.de for authorisation to relay mail, see also: SMTP (outbound)
default_transport = smtp:[relay.zntrl.de]:465

# SMTPD (inbound) TLS parameters
smtpd_tls_key_file = /etc/postfix/ssl/private/nuc0.lan.key
smtpd_tls_cert_file = /etc/postfix/ssl/nuc0-full-chain.pem
smtpd_tls_CApath = /etc/ssl/certs
smtpd_tls_CAfile = /etc/postfix/ssl/certs/balusign-signing-ca.pem
smtpd_tls_security_level=may
smtpd_tls_loglevel = 1

smtpd_relay_restrictions = permit_mynetworks permit_sasl_authenticated defer_unauth_destination

# SMTP (outbound)
smtp_tls_key_file = /etc/postfix/ssl/private/nuc0.lan.key
smtp_tls_cert_file = /etc/postfix/ssl/nuc0-full-chain.pem
smtp_tls_CApath=/etc/ssl/certs
smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache
smtp_tls_wrappermode = yes
smtp_tls_security_level = encrypt
smtp_tls_loglevel = 1

mailbox_size_limit = 0
message_size_limit = 50000000
recipient_delimiter = +
inet_interfaces = all
inet_protocols = all