added backupmx script

backupmx_getusers.sh

@@ -0,0 +1,22 @@
+#!/usr/bin/env bash
+#
+# Fetches all users and aliases from MySQL
+# For import in other backup MX config.
+#
+# Requires a .my.cnf with this content:
+# [client]
+# password=foo
+
+BACKUPMX_USER=/home/backupmx
+MAIL_ADDR=$(mysql -sN -u root mailserver -e "SELECT email from virtual_users UNION SELECT source FROM virtual_aliases;" | sort | uniq)
+
+# Makes a list of all mail addresses (be it real or aliases)
+for i in $MAIL_ADDR; do
+	echo -e "$i\tOK"
+done > $BACKUPMX_USER/relay_recipients_$(cat /etc/mailname)
+
+# Generates list of all domains
+for i in $MAIL_ADDR; do
+	echo $i | cut -d'@' -f2
+done | sort | uniq > $BACKUPMX_USER/domains_$(cat /etc/mailname)
+