Index: debian/univention-mail-postfix-forward.univention-config-registry
===================================================================
--- debian/univention-mail-postfix-forward.univention-config-registry	(.../ucs/services/univention-mail-postfix-forward)	(Revision 10845)
+++ debian/univention-mail-postfix-forward.univention-config-registry	(.../component/ipv6/univention-mail-postfix-forward)	(Revision 13465)
@@ -3,6 +3,7 @@
 Variables: mail/relay
 Variables: hostname
 Variables: domainname
+Variables: postfix/ipv6
 
 Type: file
 File: etc/aliases
Index: debian/postinst
===================================================================
--- debian/postinst	(.../ucs/services/univention-mail-postfix-forward)	(Revision 10845)
+++ debian/postinst	(.../component/ipv6/univention-mail-postfix-forward)	(Revision 13465)
@@ -31,6 +31,7 @@
 #DEBHELPER#
 
 univention-config-registry set postfix/autostart=yes
+univention-config-registry set postfix/ipv6?no
 
 eval `univention-baseconfig shell`
 
Index: debian/univention-mail-postfix-forward.univention-config-registry-variables
===================================================================
--- debian/univention-mail-postfix-forward.univention-config-registry-variables	(.../ucs/services/univention-mail-postfix-forward)	(Revision 10845)
+++ debian/univention-mail-postfix-forward.univention-config-registry-variables	(.../component/ipv6/univention-mail-postfix-forward)	(Revision 13465)
@@ -16,3 +16,8 @@
 Type=str
 Categories=service-mail
 
+[postfix/ipv6]
+Description[de]=Aktiviert/Deaktiviert IPv6-Funktionalität in Postfix
+Description[en]=Enables/Disables IPv6 funtionality for Postfix
+Type=str
+Categories=service-mail
Index: debian/changelog
===================================================================
--- debian/changelog	(.../ucs/services/univention-mail-postfix-forward)	(Revision 10845)
+++ debian/changelog	(.../component/ipv6/univention-mail-postfix-forward)	(Revision 13465)
@@ -1,3 +1,15 @@
+univention-mail-postfix-forward (2.1.1-1) unstable; urgency=low
+
+  * small fix (Bug #15307)
+
+ -- Kai-Wilhelm Bolte <bolte@univention.de>  Thu,  5 Nov 2009 10:30:36 +0100
+
+univention-mail-postfix-forward (2.1.0-1) unstable; urgency=low
+
+  *  new UCR variable postfix/ipv6 will enable / disable IPv6 functionality (Bug #15307)
+
+ -- Kai-Wilhelm Bolte <bolte@univention.de>  Mon, 24 Aug 2009 14:01:19 +0200
+
 univention-mail-postfix-forward (2.0.1-1) unstable; urgency=low
 
   * provide new UCR category service-mail (Bug #13505)
Index: conffiles/etc/postfix/main.cf
===================================================================
--- conffiles/etc/postfix/main.cf	(.../ucs/services/univention-mail-postfix-forward)	(Revision 10845)
+++ conffiles/etc/postfix/main.cf	(.../component/ipv6/univention-mail-postfix-forward)	(Revision 13465)
@@ -40,3 +40,14 @@
 mailbox_command =
 mailbox_size_limit = 0
 recipient_delimiter = +
+
+#
+# IPv6 support
+# possible settings for inet_protocols are: ipv4 ; all ; ipv4,ipv6 ; ipv6
+#
+@!@
+if not configRegistry.get('postfix/ipv6', 'yes' ).lower() in ( 'no', 'false', '0' ):
+        print 'inet_protocols = all'
+else:
+        print 'inet_protocols = ipv4'
+@!@