added build & push

postfix/Dockerfile

@@ -10,7 +10,6 @@ apt-get autoclean
 rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* ~/.cache ~/.npm
 EOF
 COPY etc/postfix/ /etc/postfix/
-RUN cp /etc/resolv.conf /var/spool/postfix/etc/resolv.conf
 COPY --chmod=0775 entrypoint.sh /entrypoint.sh
 EXPOSE 25
 VOLUME /var/spool/postfix

postfix/etc/postfix/main.cf

@@ -20,32 +20,34 @@ 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 
+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 domains
+# 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_cert_file = /etc/postfix/ssl/nuc0-full-chain.pem
-smtpd_tls_key_file = /etc/postfix/ssl/private/nuc0.lan.key
 smtpd_tls_security_level=may
 smtpd_tls_loglevel = 1
 
 smtpd_relay_restrictions = permit_mynetworks permit_sasl_authenticated defer_unauth_destination
 
 # SMTP (outbound)
-smtp_tls_CApath=/etc/ssl/certs
 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

postfix/etc/postfix/vmailbox

@@ -2,5 +2,7 @@ baloan@zntrl.de      notused
 blu3prince@zntrl.de  notused
 fafnir@zntrl.de      notused
 postmaster@zntrl.de  notused
+andreas@ads64.de     notused
+postmaster@ads64.de  notused
 # Comment out the entry below to implement a catch-all.
 # @zntrl.de		         notused

postfix/scratchpad.sh

@@ -1,9 +1,8 @@
 #!/usr/bin/bash
-# docker login --username baloan --password 'yZBCUs5&@?:.'
-# docker run -d --name apache -p80:80 -v/root/kopano/dist:/var/www httpd
 # export DOCKER_BUILDKIT=1
+# docker run -d --name apache -p80:80 -v/root/kopano/dist:/var/www httpd
 docker build -t postfix .
-docker run -d --name postfix -v/root/kopano/postfix/etc/postfix:/etc/postfix postfix 
+docker run -d --name postfix -v/root/kopano/postfix/etc/postfix:/etc/postfix -p8025:25 postfix 
 docker logs -f postfix
 docker exec -it postfix sh