diff --git a/bundles/postfix/files/main.cf b/bundles/postfix/files/main.cf
index d273f2b..4014b85 100644
--- a/bundles/postfix/files/main.cf
+++ b/bundles/postfix/files/main.cf
@@ -13,7 +13,7 @@ myhostname = debian-2gb-nbg1-1
 alias_maps = hash:/etc/aliases
 alias_database = hash:/etc/aliases
 myorigin = /etc/mailname
-mydestination = $myhostname, mail2.sublimity.de, debian-2gb-nbg1-1, localhost.localdomain, localhost
+mydestination = $myhostname, debian-2gb-nbg1-1, localhost.localdomain, localhost
 relayhost =
 mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128
 mailbox_size_limit = 0
diff --git a/nodes/htz.mails.py b/nodes/htz.mails.py
index c2786ad..ce8a95b 100644
--- a/nodes/htz.mails.py
+++ b/nodes/htz.mails.py
@@ -14,7 +14,7 @@
             'eth0': {
                 'ips': {
                     '162.55.188.157',
-                    '2a01:4f8:1c1c:4121::/64',
+                    '2a01:4f8:1c1c:4121::1/64',
                 },
                 'gateway4': '172.31.1.1',
                 'gateway6': 'fe80::1',