First check in

SNAP/usher

@@ -0,0 +1,41 @@
+#!/bin/sh
+
+set -e
+
+case $1 in
+  preinst)
+    exit 0
+    ;;
+  postinst)
+    getent group postfix 2>&1 > /dev/null || groupadd -g 32 postfix
+    getent group postdrop 2>&1 > /dev/null || groupadd -g 33 postdrop
+    getent passwd postfix 2>&1 > /dev/null || useradd -c "Postfix Daemon" \
+      -g postfix -d /dev/null -s /bin/false -u 32 postfix
+
+    if [ ! -f /etc/aliases ]; then
+      printf "postmaster: root\nMAILER-DAEMON: root" > /etc/aliases
+      newaliases
+    fi
+
+    for f in /usr/share/postfix/etc/*; do
+      if [ ! -f /etc/postfix/`basename $f` ]; then
+        cp -a $f /etc/postfix
+      fi
+    done
+
+    chown -R postfix.postdrop /var/spool/postfix/* /var/lib/postfix
+    chown root.root /var/spool/postfix/pid
+    chgrp postdrop /usr/sbin/postqueue \
+      /usr/sbin/postdrop \
+      /var/spool/postfix/public \
+      /var/spool/postfix/maildrop
+    chmod 2555 /usr/sbin/postqueue \
+      /usr/sbin/postdrop
+    ;;
+  prerm)
+    exit 0
+    ;;
+  postrm)
+    exit 0
+    ;;
+esac