Add spamassasin/pyzor/razor support and cleanup Dockerfile and config

core/config/dovecot/dovecot.lda

@@ -1,3 +1,6 @@
+lda_mailbox_autocreate = yes
+lda_mailbox_autosubscribe = yes
+
 protocol lda {
   hostname = mail.docker.container
   postmaster_address = postmaster@mail.docker.container

core/config/example/spam-global.sieve

@@ -0,0 +1,5 @@
+require "fileinto";
+
+if header :contains "X-Spam-Flag" "YES" {
+  fileinto "Spam";
+}

core/config/paludis/keywords.conf.d/mail.conf

@@ -0,0 +1 @@
+dev-python/pyzor ~amd64

core/config/paludis/sets/mail.conf

@@ -0,0 +1,5 @@
+* net-mail/dovecot
+* mail-mta/postfix
+* mail-filter/spamassassin
+* dev-python/pyzor
+* mail-filter/razor

core/config/paludis/sets/tools.conf

@@ -0,0 +1,2 @@
+* app-admin/supervisor
+* sys-process/htop

core/config/paludis/use.conf.d/global.conf

@@ -0,0 +1 @@
+*/* acl bash-completion ipv6 kmod openrc pcre readline unicode zlib pam ssl sasl bzip2 urandom crypt tcpd -acpi -cairo -consolekit -cups -dbus -dri -gnome -gnutls -gtk -ogg -opengl -pdf -policykit -qt3support -qt5 -qt4 -sdl -sound -systemd -truetype -vim -vim-syntax -wayland -X

core/config/paludis/use.conf.d/mail.conf

@@ -0,0 +1,2 @@
+net-mail/dovecot cydir imapc maildir managesieve mbox mdbox pam pop3c sieve sqlite
+nmail-mta/postfix dovecot-sasl mbox sasl

core/config/postfix/postfix.master.cf.append

@@ -1,5 +1,5 @@
 dovecot   unix  -       n       n       -       -       pipe
-  flags=DRhu user=vmail:vmail argv=/usr/libexec/dovecot/deliver -f ${sender} -d ${recipient}
+ flags=DRhu user=vmail:vmail argv=/usr/libexec/dovecot/deliver -f ${sender} -d ${recipient}
 
 # we need to be permissive with the helo restrictions since the client can only
 # authenticate after HELO has been sent
@@ -13,3 +13,7 @@ submission      inet    n       -       n       -       -       smtpd
  -o smtpd_sender_restrictions=permit_sasl_authenticated,reject
  -o smtpd_relay_restrictions=permit_sasl_authenticated,reject
  -o smtpd_recipient_restrictions=permit_sasl_authenticated,reject
+
+spamassassin unix -     n       n       -       -       pipe
+ user=vmail:vmail argv=/usr/bin/spamc -f -e
+ /usr/sbin/sendmail -oi -f ${sender} ${recipient}

core/config/spamassasin/pyzor.servers

@@ -0,0 +1 @@
+public.pyzor.org:24441

core/config/spamassasin/spamassasin.local.append

@@ -0,0 +1,7 @@
+
+# you should leave this untouched
+razor_config /etc/spamassassin/.razor/razor-agent.conf
+pyzor_options --homedir /etc/spamassassin/.pyzor
+
+# here goes your whitelist stuff for example
+# whitelist_from user@example.com

core/config/supervisord.conf

@@ -1,11 +1,16 @@
 [supervisord]
 nodaemon=true
 
+[program:spamassasin]
+command=/usr/sbin/spamd
+startsecs=2
+autorestart=true
+
 [program:postfix]
 process_name=master
 directory=/etc/postfix
 command=/usr/sbin/postfix -c /etc/postfix start
-startsecs=0
+startsecs=1
 autorestart=false
 
 [program:dovecot]