From d5f575091136c18c5be6b8862ad692747429a5b6 Mon Sep 17 00:00:00 2001
From: andreas <baloand@gmail.com>
Date: Fri, 7 Apr 2023 15:45:32 +0000
Subject: [PATCH] fixed postfix configuration

---
 core/Dockerfile                               |  13 +-
 docker-compose.yml                            |   6 +-
 etc-zntrl/kopano/dagent.cfg                   |   2 +-
 etc-zntrl/kopano/server.cfg                   |   8 +-
 etc-zntrl/kopano/spooler.cfg                  |   2 +-
 .../kopano/ssl/certs/balusign-ca-chain.pem    | 106 +++++++++
 .../kopano/ssl/certs/balusign-signing-ca.pem  |  70 ------
 etc-zntrl/kopano/ssl/kopano.server.chain.crt  |  98 --------
 etc-zntrl/kopano/ssl/kopano.server.crt        |  29 ---
 .../kopano/ssl/private/kopano.client.key      |  57 -----
 .../kopano/ssl/private/kopano.server.key      |  57 -----
 .../kopano/ssl/private/server-key-cert.pem    |  81 +++++++
 .../kopano/ssl/private/system-key-cert.pem    |  81 +++++++
 etc-zntrl/kopano/sslkeys/kopano.client.pem    |  69 ------
 .../kopano/sslkeys/system-public-key.pem      |  11 +
 .../postfix/ssl/certs/balusign-signing-ca.pem | 154 ++++++++-----
 etc-zntrl/postfix/ssl/nuc0-full-chain.pem     | 218 +++++++++++-------
 etc-zntrl/postfix/ssl/private/nuc0.lan.key    |  66 +++---
 etc-zntrl/postfix/virtual.db                  | Bin 12288 -> 0 bytes
 etc-zntrl/postfix/vmailbox.db                 | Bin 12288 -> 0 bytes
 postfix/Dockerfile                            |  14 +-
 postfix/Dockerfile.alpine                     |  10 +
 postfix/Dockerfile.ubuntu                     |  13 --
 postfix/docker-compose.yml                    |  15 --
 postfix/entrypoint.sh                         |   5 +-
 postfix/etc/postfix/main.cf                   |  59 +++++
 postfix/etc/postfix/master.cf                 |  67 ++++++
 .../postfix/ssl/certs/balusign-signing-ca.pem | 106 +++++++++
 postfix/etc/postfix/ssl/nuc0-full-chain.pem   | 148 ++++++++++++
 postfix/etc/postfix/ssl/private/nuc0.lan.key  |  40 ++++
 postfix/etc/postfix/virtual                   |   3 +
 postfix/etc/postfix/vmailbox                  |   6 +
 webapp/Dockerfile                             |   7 +-
 z-push/Dockerfile                             |   8 +-
 34 files changed, 1024 insertions(+), 605 deletions(-)
 create mode 100644 etc-zntrl/kopano/ssl/certs/balusign-ca-chain.pem
 delete mode 100644 etc-zntrl/kopano/ssl/certs/balusign-signing-ca.pem
 delete mode 100644 etc-zntrl/kopano/ssl/kopano.server.chain.crt
 delete mode 100644 etc-zntrl/kopano/ssl/kopano.server.crt
 delete mode 100644 etc-zntrl/kopano/ssl/private/kopano.client.key
 delete mode 100644 etc-zntrl/kopano/ssl/private/kopano.server.key
 create mode 100644 etc-zntrl/kopano/ssl/private/server-key-cert.pem
 create mode 100644 etc-zntrl/kopano/ssl/private/system-key-cert.pem
 delete mode 100644 etc-zntrl/kopano/sslkeys/kopano.client.pem
 create mode 100644 etc-zntrl/kopano/sslkeys/system-public-key.pem
 delete mode 100644 etc-zntrl/postfix/virtual.db
 delete mode 100644 etc-zntrl/postfix/vmailbox.db
 create mode 100644 postfix/Dockerfile.alpine
 delete mode 100644 postfix/Dockerfile.ubuntu
 delete mode 100644 postfix/docker-compose.yml
 create mode 100644 postfix/etc/postfix/main.cf
 create mode 100644 postfix/etc/postfix/master.cf
 create mode 100644 postfix/etc/postfix/ssl/certs/balusign-signing-ca.pem
 create mode 100644 postfix/etc/postfix/ssl/nuc0-full-chain.pem
 create mode 100644 postfix/etc/postfix/ssl/private/nuc0.lan.key
 create mode 100644 postfix/etc/postfix/virtual
 create mode 100644 postfix/etc/postfix/vmailbox

diff --git a/core/Dockerfile b/core/Dockerfile
index 56edd1e..234b88b 100644
--- a/core/Dockerfile
+++ b/core/Dockerfile
@@ -1,4 +1,4 @@
-# syntax=docker/dockerfile:1.3-labs
+# syntax=docker.io/docker/dockerfile:1.5.2
 FROM ubuntu:20.04
 RUN <<EOF
 export DEBIAN_FRONTEND=noninteractive 
@@ -19,10 +19,13 @@ EOF
 # use envsubst in entrypoint script to convert config templates to actual config files
 COPY --chmod=0775 entrypoint.sh /entrypoint.sh
 # https://documentation.kopano.io/kopanocore_administrator_manual/configure_kc_components.html#configure-kopano-dagent-for-delivery-via-unix-socket
-EXPOSE 236     # mapi (client-server)
-EXPOSE 237     # tls_mapi (server-server)
-EXPOSE 2003    # lmtp (dagent)
+# mapi (client-server)
+#EXPOSE 236
+# tls_mapi (server-server)
+#EXPOSE 237
+# lmtp (dagent)
+#EXPOSE 2003
 VOLUME /etc/kopano
 VOLUME /var/lib/kopano/attachments
 ENTRYPOINT ["/entrypoint.sh"]
-CMD ["/usr/sbin/kopano-server"]
+CMD ["bash"]
diff --git a/docker-compose.yml b/docker-compose.yml
index a574e24..d741798 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -5,12 +5,14 @@ services:
     image: core
     depends_on:
       - mysql
+    ports:
+      - 236:236
     volumes:
       - attachments:/var/lib/kopano/attachments
       - ./etc-zntrl/kopano:/etc/kopano:ro
-      # - ./etc-zntrl/ssl:/etc/ssl:ro
     command: /usr/sbin/kopano-server
   spooler:
+    build: ./core
     image: core
     depends_on:
       - server
@@ -77,7 +79,7 @@ services:
       - 8025:25
     volumes:
       - spool:/var/spool/postfix
-      - ./etc-zntrl/postfix:/etc/postfix:ro
+      # - ./etc-zntrl/postfix:/etc/postfix
 networks:
   traefik:
     external: true
diff --git a/etc-zntrl/kopano/dagent.cfg b/etc-zntrl/kopano/dagent.cfg
index d02a268..f61d751 100644
--- a/etc-zntrl/kopano/dagent.cfg
+++ b/etc-zntrl/kopano/dagent.cfg
@@ -15,7 +15,7 @@ lmtp_listen = *:2003
 #server_socket = file:///var/run/kopano/server.sock
 server_socket = https://server:237
 # Login to the storage server using this SSL Key
-sslkey_file = /etc/kopano/ssl/private/kopano.client.key
+sslkey_file = /etc/kopano/ssl/private/system-key-cert.pem
 # The password of the SSL Key
 sslkey_pass = 
 
diff --git a/etc-zntrl/kopano/server.cfg b/etc-zntrl/kopano/server.cfg
index fd8ae73..046a676 100644
--- a/etc-zntrl/kopano/server.cfg
+++ b/etc-zntrl/kopano/server.cfg
@@ -9,9 +9,9 @@
 server_listen = 0.0.0.0:236
 server_listen_tls = 0.0.0.0:237
 # server_ssl_key_file: needs key and certificate
-server_ssl_key_file = /etc/kopano/ssl/private/kopano.server.key
+server_ssl_key_file = /etc/kopano/ssl/private/server-key-cert.pem
 #server_ssl_key_pass =
-server_ssl_ca_file = /etc/kopano/ssl/certs/balusign-signing-ca.pem
+server_ssl_ca_file = /etc/kopano/ssl/certs/balusign-ca-chain.pem
 #server_ssl_ca_path = /etc/kopano/ssl/certs
 #server_tls_min_proto = tls1.2
 # Path of SSL Public keys of clients
@@ -20,7 +20,7 @@ sslkeys_path = /etc/kopano/sslkeys
 # Name for identifying the server in a multi-server environment. Need
 # not be a DNS name, but this name needs to be present on a LDAP
 # kopano-server object's cn value.
-server_name = mail.zntrl.de
+server_name = kopano.server
 # Multi-server
 # enable_distributed_kopano = false
 
@@ -40,7 +40,7 @@ local_admin_users = root kopano
 log_method = auto
 # log_file = /var/log/kopano/server.log
 # Loglevel (0(none), 1(crit), 2(err), 3(warn), 4(notice), 5(info), 6(debug))
-log_level = 9
+log_level = 6
 log_timestamp = yes
 
 # Attachment backend driver type: "database", "files", "files_v2", "s3"
diff --git a/etc-zntrl/kopano/spooler.cfg b/etc-zntrl/kopano/spooler.cfg
index 45fc7d1..c2ff76d 100644
--- a/etc-zntrl/kopano/spooler.cfg
+++ b/etc-zntrl/kopano/spooler.cfg
@@ -8,7 +8,7 @@ smtp_port = 25
 # server_socket = default:
 server_socket = https://server:237
 # Login to the storage server using this SSL Key
-sslkey_file = /etc/kopano/ssl/private/kopano.client.key
+sslkey_file = /etc/kopano/ssl/private/system-key-cert.pem
 # The password of the SSL Key
 sslkey_pass = 
 
diff --git a/etc-zntrl/kopano/ssl/certs/balusign-ca-chain.pem b/etc-zntrl/kopano/ssl/certs/balusign-ca-chain.pem
new file mode 100644
index 0000000..10c08d7
--- /dev/null
+++ b/etc-zntrl/kopano/ssl/certs/balusign-ca-chain.pem
@@ -0,0 +1,106 @@
+-----BEGIN CERTIFICATE-----
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
diff --git a/etc-zntrl/kopano/ssl/certs/balusign-signing-ca.pem b/etc-zntrl/kopano/ssl/certs/balusign-signing-ca.pem
deleted file mode 100644
index e438244..0000000
--- a/etc-zntrl/kopano/ssl/certs/balusign-signing-ca.pem
+++ /dev/null
@@ -1,70 +0,0 @@
------BEGIN CERTIFICATE-----
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------END CERTIFICATE-----
-
diff --git a/etc-zntrl/kopano/ssl/kopano.server.chain.crt b/etc-zntrl/kopano/ssl/kopano.server.chain.crt
deleted file mode 100644
index db92c5a..0000000
--- a/etc-zntrl/kopano/ssl/kopano.server.chain.crt
+++ /dev/null
@@ -1,98 +0,0 @@
------BEGIN CERTIFICATE-----
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------END CERTIFICATE-----
------BEGIN CERTIFICATE-----
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------END CERTIFICATE-----
------BEGIN CERTIFICATE-----
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-lR0hheqlNWSLteUN+AzQXDI/ECr4TQSJlIoIWVYbRq8xlGcCFgbiXr3b47NX8XVP
-00W1AjSpRLTbAOw5dURT51dhWPsZiG+sBrE+xI4fUx0tZbI56l9ZYEiWZJIBPL5a
-mOPbDwr+U8ROM3M0SooEJ9R5FEUGC2CkOBtaCs+PJ4929UMI+TmdO47j6zxdyLVM
-ynM=
------END CERTIFICATE-----
diff --git a/etc-zntrl/kopano/ssl/kopano.server.crt b/etc-zntrl/kopano/ssl/kopano.server.crt
deleted file mode 100644
index 60a19bd..0000000
--- a/etc-zntrl/kopano/ssl/kopano.server.crt
+++ /dev/null
@@ -1,29 +0,0 @@
------BEGIN CERTIFICATE-----
-MIIE/zCCAuegAwIBAgIBGDANBgkqhkiG9w0BAQsFADCBgjESMBAGCgmSJomT8ixk
-ARkWAmRlMRcwFQYKCZImiZPyLGQBGRYHYmFsb2doczEeMBwGA1UECgwVQmFsdVNp
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-AQoCggEBANRqo9oHcuYJxOvkqoLgAzReazN/MZiBMV9rwln5etkNI6cM6HPB7WDI
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-VR0OBBYEFE/jmPNidBzn1gBD79LYjYrYp0PlMB8GA1UdIwQYMBaAFEgj5ZNUgwMs
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-/F4OlC9BuHhfc6MfK+G67bJWV//LWUwPG1EDT4Gw9C2yKCHdaQDHurLP4piXxcnv
-fd2v1A/wG9x5HcTW1vqAxtp62RUwjICI52YJV/88ac+ZugEZIQG+Pk9ieQ8NkBPs
-aXIk2cXgj5gibEp9W6J9xjAdu6xU77lA7ElC5lIEFhUybZC7oQ7rqGFyIqF4H/Pd
-I/T+oA2AFqoMhtHeo5w5gvb3r1okfiqynCb0JXri8SoDej3a/cPXWu3wKgLXsavi
-wqOPClCLNYE+1bhsX/hohl3+AoYMTX5wdzeTB7wdO2g6b52Cnp5yS1fKdZu4+1zV
-cmx40mhtjUi3x29xp7x6Z8aUcAQte0roHPrehh72sh7nEALkeq0b0Lg8oJCUD6K2
-XzEjwihM3yVF3pdcGCPkyQTJUypp+cyvlGmQdkJYlljFbmJNQ3g3kIw4tQTZdE5w
-6hLvoY4OjlL0o1ysE8HTaJr/GzG8+rfWl55orVUZrO1nd+r8twcUvEd7VY46hC3x
-qNQojU6DPVt3ie6qT4S0ZxASsa5E5C5ouH+hSWLV7dPhd2HnVlswBxWoJjeTcSLu
-cj9NhBr7HNBCjsh1Gj6Q2uC2Njd+Ea0XgM72LTtYh9EN1FY=
------END CERTIFICATE-----
diff --git a/etc-zntrl/kopano/ssl/private/kopano.client.key b/etc-zntrl/kopano/ssl/private/kopano.client.key
deleted file mode 100644
index 0e13375..0000000
--- a/etc-zntrl/kopano/ssl/private/kopano.client.key
+++ /dev/null
@@ -1,57 +0,0 @@
------BEGIN PRIVATE KEY-----
-MIIEvQIBADANBgkqhkiG9w0BAQEFAASCBKcwggSjAgEAAoIBAQDMXnuHQqfaQ8qg
-sz6zLTGClWdHaBC5Wro14LROyC9gvFs9bnTnbPCiDAlcgVfTVb4Y6szYpeADVUkc
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-nG0cAMZrFzAPSwl5Tc8UHViYOYELBheZwJNMtRtXA+jxBT/b4sY5qcKrpQlOY/ga
-o9zJ8BpDlmgT9FOsaryyy65HzxMPMhwkmi3pzhTuPNDseYsj1ueZ3OfHkmEBpg7E
-RZmn24+eM0fSYZJP/tnCYoq6lrbjCESyIlZzC8pBAoGAU4MO1A3Yfm4eZkN+V+8y
-UPMnYNXtH/BKkwSUF6Y5T0kz+xLeeOjP1OiPjDYhPoOJRoK9F+Hjbd6OliYIGzw4
-fx1BF1eHD2cwjxPhnX5TabsUNIg+XDpOftOFz3Nd0xJvV/wo+5qs/2reYJ9Cy3Mu
-W5GiMz28R5+mvqfFwcWlKxE=
------END PRIVATE KEY-----
------BEGIN CERTIFICATE-----
-MIIE/zCCAuegAwIBAgIBGTANBgkqhkiG9w0BAQsFADCBgjESMBAGCgmSJomT8ixk
-ARkWAmRlMRcwFQYKCZImiZPyLGQBGRYHYmFsb2doczEeMBwGA1UECgwVQmFsdVNp
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-fHMYsZ7NZkxLaJsj7/mKaagWaQdicjVPmjrdr2RIgECE6O4=
------END CERTIFICATE-----
\ No newline at end of file
diff --git a/etc-zntrl/kopano/ssl/private/kopano.server.key b/etc-zntrl/kopano/ssl/private/kopano.server.key
deleted file mode 100644
index 8fa7ca2..0000000
--- a/etc-zntrl/kopano/ssl/private/kopano.server.key
+++ /dev/null
@@ -1,57 +0,0 @@
------BEGIN PRIVATE KEY-----
-MIIEvwIBADANBgkqhkiG9w0BAQEFAASCBKkwggSlAgEAAoIBAQDUaqPaB3LmCcTr
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-lsO6p2syP9Ud5o/8adh9B8JOfg==
------END PRIVATE KEY-----
------BEGIN CERTIFICATE-----
-MIIE/zCCAuegAwIBAgIBGDANBgkqhkiG9w0BAQsFADCBgjESMBAGCgmSJomT8ixk
-ARkWAmRlMRcwFQYKCZImiZPyLGQBGRYHYmFsb2doczEeMBwGA1UECgwVQmFsdVNp
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-cj9NhBr7HNBCjsh1Gj6Q2uC2Njd+Ea0XgM72LTtYh9EN1FY=
------END CERTIFICATE-----
\ No newline at end of file
diff --git a/etc-zntrl/kopano/ssl/private/server-key-cert.pem b/etc-zntrl/kopano/ssl/private/server-key-cert.pem
new file mode 100644
index 0000000..d8410b4
--- /dev/null
+++ b/etc-zntrl/kopano/ssl/private/server-key-cert.pem
@@ -0,0 +1,81 @@
+-----BEGIN PRIVATE KEY-----
+MIIG/gIBADANBgkqhkiG9w0BAQEFAASCBugwggbkAgEAAoIBgQDD8D6c+I14MM0k
+1Qj7wegQ7SutYDWXSfpLSQXp9RuB3ZKyjU9c0J4wilkK00Y7gdIKZN8tMlF2rQ3F
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+-----END PRIVATE KEY-----
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
diff --git a/etc-zntrl/kopano/ssl/private/system-key-cert.pem b/etc-zntrl/kopano/ssl/private/system-key-cert.pem
new file mode 100644
index 0000000..229efe1
--- /dev/null
+++ b/etc-zntrl/kopano/ssl/private/system-key-cert.pem
@@ -0,0 +1,81 @@
+-----BEGIN PRIVATE KEY-----
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+-----END PRIVATE KEY-----
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
\ No newline at end of file
diff --git a/etc-zntrl/kopano/sslkeys/kopano.client.pem b/etc-zntrl/kopano/sslkeys/kopano.client.pem
deleted file mode 100644
index 5260b0b..0000000
--- a/etc-zntrl/kopano/sslkeys/kopano.client.pem
+++ /dev/null
@@ -1,69 +0,0 @@
------BEGIN CERTIFICATE-----
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------BEGIN CERTIFICATE-----
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------END CERTIFICATE-----
\ No newline at end of file
diff --git a/etc-zntrl/kopano/sslkeys/system-public-key.pem b/etc-zntrl/kopano/sslkeys/system-public-key.pem
new file mode 100644
index 0000000..325bad9
--- /dev/null
+++ b/etc-zntrl/kopano/sslkeys/system-public-key.pem
@@ -0,0 +1,11 @@
+-----BEGIN PUBLIC KEY-----
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\ No newline at end of file
diff --git a/etc-zntrl/postfix/ssl/certs/balusign-signing-ca.pem b/etc-zntrl/postfix/ssl/certs/balusign-signing-ca.pem
index e438244..10c08d7 100644
--- a/etc-zntrl/postfix/ssl/certs/balusign-signing-ca.pem
+++ b/etc-zntrl/postfix/ssl/certs/balusign-signing-ca.pem
@@ -1,70 +1,106 @@
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-
diff --git a/etc-zntrl/postfix/ssl/nuc0-full-chain.pem b/etc-zntrl/postfix/ssl/nuc0-full-chain.pem
index 2f38aa2..ea3b47a 100644
--- a/etc-zntrl/postfix/ssl/nuc0-full-chain.pem
+++ b/etc-zntrl/postfix/ssl/nuc0-full-chain.pem
@@ -1,98 +1,148 @@
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 -----END CERTIFICATE-----
 -----BEGIN CERTIFICATE-----
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 -----END CERTIFICATE-----
diff --git a/etc-zntrl/postfix/ssl/private/nuc0.lan.key b/etc-zntrl/postfix/ssl/private/nuc0.lan.key
index e4d43ac..f64176b 100644
--- a/etc-zntrl/postfix/ssl/private/nuc0.lan.key
+++ b/etc-zntrl/postfix/ssl/private/nuc0.lan.key
@@ -1,28 +1,40 @@
 -----BEGIN PRIVATE KEY-----
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-RxMXnFUxv/vu96lzCTAyRQ==
------END PRIVATE KEY-----
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+-----END PRIVATE KEY-----
\ No newline at end of file
diff --git a/etc-zntrl/postfix/virtual.db b/etc-zntrl/postfix/virtual.db
deleted file mode 100644
index 4ee150b18ec1e7ecc58165d1c3f987f280f2d34c..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

literal 12288
zcmeI&Jqp4=5QgC|A&3^5G+x2dGgx^HVS@pSm`D;E@e1~y$i_;%gr#6DxJ&RijiBYb
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diff --git a/etc-zntrl/postfix/vmailbox.db b/etc-zntrl/postfix/vmailbox.db
deleted file mode 100644
index fd501d7be62d867e4146ffd3eb60e778309bbeac..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

literal 12288
zcmeI&F$%&k6vpu{9YlxPI`j%|_6(jxh_v8PTF{E%9lV4`@Frfu)e{IN4Gv~<QiOjX
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O5I_I{1Q0;r*8)!l%oqs(

diff --git a/postfix/Dockerfile b/postfix/Dockerfile
index a3a1ba8..d06cc64 100644
--- a/postfix/Dockerfile
+++ b/postfix/Dockerfile
@@ -1,8 +1,16 @@
-# syntax=docker/dockerfile:1
-FROM alpine:latest
+# syntax=docker.io/docker/dockerfile:1.5.2
+FROM ubuntu:20.04
 # install apt packages
 ENV TZ Europe/Berlin 
-RUN apk add --no-cache postfix spamassassin rsyslog logrotate xz
+RUN <<EOF
+apt-get update
+apt-get install -y postfix
+# cleanup
+apt-get autoclean
+rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* ~/.cache ~/.npm
+echo zntrl.de >>/etc/mailname
+EOF
+COPY etc/postfix/ /etc/postfix/
 COPY --chmod=0775 entrypoint.sh /entrypoint.sh
 EXPOSE 25
 VOLUME /var/spool/postfix
diff --git a/postfix/Dockerfile.alpine b/postfix/Dockerfile.alpine
new file mode 100644
index 0000000..3fd2e21
--- /dev/null
+++ b/postfix/Dockerfile.alpine
@@ -0,0 +1,10 @@
+# syntax=docker.io/docker/dockerfile:1.5.2
+FROM alpine:latest
+# install apt packages
+ENV TZ Europe/Berlin 
+RUN apk add --no-cache postfix spamassassin rsyslog logrotate xz
+COPY --chmod=0775 entrypoint.sh /entrypoint.sh
+EXPOSE 25
+VOLUME /var/spool/postfix
+ENTRYPOINT ["/entrypoint.sh"]
+CMD ["postfix", "start-fg"]
\ No newline at end of file
diff --git a/postfix/Dockerfile.ubuntu b/postfix/Dockerfile.ubuntu
deleted file mode 100644
index 19c729a..0000000
--- a/postfix/Dockerfile.ubuntu
+++ /dev/null
@@ -1,13 +0,0 @@
-# syntax=docker/dockerfile:1.3-labs
-FROM ubuntu:20.04
-# install apt packages
-RUN <<EOF 
-apt-get update -y
-apt-get install -y postfix spampd 
-apt-get autoclean
-rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* ~/.cache ~/.npm
-EOF
-WORKDIR /root
-EXPOSE 25
-VOLUME /var/spool/postfix
-ENTRYPOINT ["/usr/sbin/postmulti -i %i -p start"]
\ No newline at end of file
diff --git a/postfix/docker-compose.yml b/postfix/docker-compose.yml
deleted file mode 100644
index bcdb8ff..0000000
--- a/postfix/docker-compose.yml
+++ /dev/null
@@ -1,15 +0,0 @@
-version: '3'
-services:
-  postfix:
-    image: postfix:latest
-    container_name: postfix
-    restart: always
-    networks:
-      - kopano
-    volumes:
-      - ~/kopano/postfix/etc/postfix:/etc/postfix
-      - spool:/var/spool/postfix
-networks:
-  - kopano
-volumes:
-  - spool:
diff --git a/postfix/entrypoint.sh b/postfix/entrypoint.sh
index 277827a..e12de57 100644
--- a/postfix/entrypoint.sh
+++ b/postfix/entrypoint.sh
@@ -1,3 +1,6 @@
 #!/usr/bin/env sh
-set -e
+# set -e
+cd /etc/postfix
+postmap virtual
+postmap vmailbox
 exec "$@"
diff --git a/postfix/etc/postfix/main.cf b/postfix/etc/postfix/main.cf
new file mode 100644
index 0000000..ed6895b
--- /dev/null
+++ b/postfix/etc/postfix/main.cf
@@ -0,0 +1,59 @@
+# 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 = nuc0.fritz.box
+mydestination = $myhostname, localhost.fritz.box, localhost
+alias_maps = hash:/etc/aliases
+alias_database = hash:/etc/aliases
+myorigin = /etc/mailname
+mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128
+
+# virtual domains
+virtual_mailbox_domains = zntrl.de 
+virtual_mailbox_maps = hash:/etc/postfix/vmailbox
+virtual_alias_maps = hash:/etc/postfix/virtual
+# virtual_transport = lmtp:unix:/var/spool/kopano/dagent.sock
+virtual_transport = lmtp:dagent:2003
+
+# default domains
+default_transport = smtp:[relay.zntrl.de]:465
+
+# SMPTD (inbound) TLS parameters
+smtpd_tls_CApath = /etc/ssl/certs
+smtpd_tls_CAfile = /etc/postfix/ssl/certs/balusign-signing-ca.pem
+smtpd_tls_cert_file = /etc/postfix/ssl/nuc0-full-chain.pem
+smtpd_tls_key_file = /etc/postfix/ssl/private/nuc0.lan.key
+smtpd_tls_security_level=may
+smtpd_tls_loglevel = 1
+
+smtpd_relay_restrictions = permit_mynetworks permit_sasl_authenticated defer_unauth_destination
+
+# SMTP (outbound)
+smtp_tls_CApath=/etc/ssl/certs
+smtp_tls_key_file = /etc/postfix/ssl/private/nuc0.lan.key
+smtp_tls_cert_file = /etc/postfix/ssl/nuc0-full-chain.pem
+smtp_tls_session_cache_database = btree:${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
+
diff --git a/postfix/etc/postfix/master.cf b/postfix/etc/postfix/master.cf
new file mode 100644
index 0000000..26f51e5
--- /dev/null
+++ b/postfix/etc/postfix/master.cf
@@ -0,0 +1,67 @@
+#
+# Postfix master process configuration file.  For details on the format
+# of the file, see the master(5) manual page (command: "man 5 master" or
+# on-line: http://www.postfix.org/master.5.html).
+#
+# Do not forget to execute "postfix reload" after editing this file.
+#
+# ==========================================================================
+# service type  private unpriv  chroot  wakeup  maxproc command + args
+#               (yes)   (yes)   (no)    (never) (100)
+# ==========================================================================
+smtp      inet  n       -       y       -       -       smtpd
+#smtp      inet  n       -       y       -       1       postscreen
+#smtpd     pass  -       -       y       -       -       smtpd
+#dnsblog   unix  -       -       y       -       0       dnsblog
+#tlsproxy  unix  -       -       y       -       0       tlsproxy
+#submission inet n       -       y       -       -       smtpd
+#  -o syslog_name=postfix/submission
+#  -o smtpd_tls_security_level=encrypt
+#  -o smtpd_sasl_auth_enable=yes
+#  -o smtpd_tls_auth_only=yes
+#  -o smtpd_reject_unlisted_recipient=no
+#  -o smtpd_client_restrictions=$mua_client_restrictions
+#  -o smtpd_helo_restrictions=$mua_helo_restrictions
+#  -o smtpd_sender_restrictions=$mua_sender_restrictions
+#  -o smtpd_recipient_restrictions=
+#  -o smtpd_relay_restrictions=permit_sasl_authenticated,reject
+#  -o milter_macro_daemon_name=ORIGINATING
+#smtps     inet  n       -       y       -       -       smtpd
+#  -o syslog_name=postfix/smtps
+#  -o smtpd_tls_wrappermode=yes
+#  -o smtpd_sasl_auth_enable=yes
+#  -o smtpd_reject_unlisted_recipient=no
+#  -o smtpd_client_restrictions=$mua_client_restrictions
+#  -o smtpd_helo_restrictions=$mua_helo_restrictions
+#  -o smtpd_sender_restrictions=$mua_sender_restrictions
+#  -o smtpd_recipient_restrictions=
+#  -o smtpd_relay_restrictions=permit_sasl_authenticated,reject
+#  -o milter_macro_daemon_name=ORIGINATING
+#628       inet  n       -       y       -       -       qmqpd
+pickup    unix  n       -       y       60      1       pickup
+cleanup   unix  n       -       y       -       0       cleanup
+qmgr      unix  n       -       n       300     1       qmgr
+#qmgr     unix  n       -       n       300     1       oqmgr
+tlsmgr    unix  -       -       y       1000?   1       tlsmgr
+rewrite   unix  -       -       y       -       -       trivial-rewrite
+bounce    unix  -       -       y       -       0       bounce
+defer     unix  -       -       y       -       0       bounce
+trace     unix  -       -       y       -       0       bounce
+verify    unix  -       -       y       -       1       verify
+flush     unix  n       -       y       1000?   0       flush
+proxymap  unix  -       -       n       -       -       proxymap
+proxywrite unix -       -       n       -       1       proxymap
+smtp      unix  -       -       y       -       -       smtp
+relay     unix  -       -       y       -       -       smtp
+        -o syslog_name=postfix/$service_name
+#       -o smtp_helo_timeout=5 -o smtp_connect_timeout=5
+showq     unix  n       -       y       -       -       showq
+error     unix  -       -       y       -       -       error
+retry     unix  -       -       y       -       -       error
+discard   unix  -       -       y       -       -       discard
+local     unix  -       n       n       -       -       local
+virtual   unix  -       n       n       -       -       virtual
+lmtp      unix  -       -       n       -       -       lmtp
+anvil     unix  -       -       y       -       1       anvil
+scache    unix  -       -       y       -       1       scache
+postlog   unix-dgram n  -       n       -       1       postlogd
diff --git a/postfix/etc/postfix/ssl/certs/balusign-signing-ca.pem b/postfix/etc/postfix/ssl/certs/balusign-signing-ca.pem
new file mode 100644
index 0000000..10c08d7
--- /dev/null
+++ b/postfix/etc/postfix/ssl/certs/balusign-signing-ca.pem
@@ -0,0 +1,106 @@
+-----BEGIN CERTIFICATE-----
+MIIJgTCCBamgAwIBAgIBAjANBgkqhkiG9w0BAQwFADCBjzESMBAGCgmSJomT8ixk
+ARkWAmRlMRcwFQYKCZImiZPyLGQBGRYHYmFsb2doczEeMBwGA1UECgwVQmFsdVNp
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diff --git a/postfix/etc/postfix/ssl/nuc0-full-chain.pem b/postfix/etc/postfix/ssl/nuc0-full-chain.pem
new file mode 100644
index 0000000..ea3b47a
--- /dev/null
+++ b/postfix/etc/postfix/ssl/nuc0-full-chain.pem
@@ -0,0 +1,148 @@
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++yKYtwF1rXkWwD4NvVYrk94fTCBPHK5SaMol8YlPer1ZUw==
+-----END CERTIFICATE-----
diff --git a/postfix/etc/postfix/ssl/private/nuc0.lan.key b/postfix/etc/postfix/ssl/private/nuc0.lan.key
new file mode 100644
index 0000000..f64176b
--- /dev/null
+++ b/postfix/etc/postfix/ssl/private/nuc0.lan.key
@@ -0,0 +1,40 @@
+-----BEGIN PRIVATE KEY-----
+MIIG/QIBADANBgkqhkiG9w0BAQEFAASCBucwggbjAgEAAoIBgQC+//UoTyfxPtCE
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+GAo61UauOk2kSB6B9crXzYo=
+-----END PRIVATE KEY-----
\ No newline at end of file
diff --git a/postfix/etc/postfix/virtual b/postfix/etc/postfix/virtual
new file mode 100644
index 0000000..5a0132b
--- /dev/null
+++ b/postfix/etc/postfix/virtual
@@ -0,0 +1,3 @@
+postmaster@zntrl.de postmaster
+abuse@zntrl.de  postmaster
+
diff --git a/postfix/etc/postfix/vmailbox b/postfix/etc/postfix/vmailbox
new file mode 100644
index 0000000..e94879f
--- /dev/null
+++ b/postfix/etc/postfix/vmailbox
@@ -0,0 +1,6 @@
+baloan@zntrl.de      notused
+blu3prince@zntrl.de  notused
+fafnir@zntrl.de      notused
+postmaster@zntrl.de  notused
+# Comment out the entry below to implement a catch-all.
+# @zntrl.de		         notused
diff --git a/webapp/Dockerfile b/webapp/Dockerfile
index aab3cdb..d2a5b2f 100644
--- a/webapp/Dockerfile
+++ b/webapp/Dockerfile
@@ -1,11 +1,11 @@
-# syntax=docker/dockerfile:1.4
+# syntax=docker.io/docker/dockerfile:1.5.2
 FROM ubuntu:20.04
-# install apt packages
 RUN <<EOF
 export DEBIAN_FRONTEND=noninteractive 
 export TZ=Europe/Berlin 
 apt-get update
-apt-get install -y --no-install-recommends tzdata wget gnupg apache2
+apt-get install -y --no-install-recommends tzdata wget gnupg apache2 ca-certificates
+update-ca-certificates
 # install php7-mapi and dependencies
 wget --no-verbose -P/tmp http://bldr/core-11.0.2.50.507cbae-Ubuntu_20.04-amd64.tar.gz 
 tar xzf /tmp/core-11.0.2.50.507cbae-Ubuntu_20.04-amd64.tar.gz
@@ -26,7 +26,6 @@ rm -rf core-11.0.2.50.507cbae-Ubuntu_20.04-amd64
 EOF
 # use envsubst in entrypoint script to convert config templates to actual config files
 RUN <<EOF
-# phpenmod kopano
 sed -i -e's/define("SECURE_COOKIES", true);/define("SECURE_COOKIES", false);/' /etc/kopano/webapp/config.php
 EOF
 COPY --chmod=0775 entrypoint.sh /entrypoint.sh
diff --git a/z-push/Dockerfile b/z-push/Dockerfile
index bd727ac..5d59332 100644
--- a/z-push/Dockerfile
+++ b/z-push/Dockerfile
@@ -1,6 +1,5 @@
-# syntax=docker/dockerfile:1.4
+# syntax=docker.io/docker/dockerfile:1.5.2
 FROM ubuntu:20.04
-# install apt packages
 RUN <<EOF
 export DEBIAN_FRONTEND=noninteractive 
 export TZ=Europe/Berlin 
@@ -25,11 +24,8 @@ apt-get autoclean
 rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* ~/.cache ~/.npm
 rm -rf core-11.0.2.50.507cbae-Ubuntu_20.04-amd64
 EOF
-# change php.ini
-#sed -i -e 's/short_open_tag = Off/short_open_tag = on/' /etc/php/7.4/apache2/php.ini
-#sed -i -e '/register_argc_argv =/a register_globals = off' /etc/php/7.4/apache2/php.ini
-COPY 30-z-push.ini /etc/php/7.4/apache2/conf.d
 # use envsubst in entrypoint script to convert config templates to actual config files
+COPY 30-z-push.ini /etc/php/7.4/apache2/conf.d
 COPY --chmod=0775 entrypoint.sh /entrypoint.sh
 EXPOSE 80
 VOLUME /etc/z-push