Use exherbo as base image

boot

@@ -0,0 +1,49 @@
+#!/bin/bash
+
+
+# Update hostname if given
+if [ -f /mail_settings/myhostname ]; then
+	sed -i -e "s/myhostname = localhost/myhostname = $(sed 's:/:\\/:g' /mail_settings/myhostname)/" /etc/postfix/main.cf
+	echo $(sed 's:/:\\/:g' /mail_settings/myhostname) > /etc/mailname
+fi
+
+# Configure mail delivery to dovecot
+cp /mail_settings/aliases /etc/postfix/virtual
+cp /mail_settings/domains /etc/postfix/virtual-mailbox-domains
+
+# Parse mailbox settings
+mkdir -p /etc/postfix/tmp
+awk < /etc/postfix/virtual '{ print $2 }' > /etc/postfix/tmp/virtual-receivers
+sed -r 's,(.+)@(.+),\2/\1/,' /etc/postfix/tmp/virtual-receivers > /etc/postfix/tmp/virtual-receiver-folders
+paste /etc/postfix/tmp/virtual-receivers /etc/postfix/tmp/virtual-receiver-folders > /etc/postfix/virtual-mailbox-maps
+
+# Give postfix ownership of its files
+chown -R postfix:postfix /etc/postfix
+
+# Map virtual aliases and user/filesystem mappings
+postmap /etc/postfix/virtual
+postmap /etc/postfix/virtual-mailbox-maps
+chown -R postfix:postfix /etc/postfix
+
+# add global sieve script
+mkdir -p /vmail/sieve && cp /mail_settings/spam-global.sieve /vmail/sieve/
+
+# Make user vmail own all mail folders
+chown -R vmail:vmail /vmail
+chmod u+w /vmail
+
+# Add password file
+cp /mail_settings/passwords /etc/dovecot/passwd
+
+# set mynetworks
+sed -i \
+	-e "s#^mynetworks = .*#mynetworks = $(cat /mail_settings/postfix-networks | tr -d '\n')#" \
+	/etc/postfix/main.cf
+
+# Run boot scripts
+for SCRIPT in /boot.d/*
+do
+  if [ -f "$SCRIPT" -a -x "$SCRIPT" ]; then
+    "$SCRIPT"
+  fi
+done