diff --git a/config.py b/config.py
index c24ea41..59a4164 100644
--- a/config.py
+++ b/config.py
@@ -8,8 +8,8 @@ class Config:
     SETTINGS_CHANGED = False
     BUTTERBOX_SSID= "butterbox"
     BUTTERBOX_WIFI_PASSWORD= ""
-    LANGUAGES = ['en', 'ro']
-    BUTTERBOX_DEFAULT_IP = "10.0.1.37"
+    LANGUAGES = ['en', 'ru']
+    BUTTERBOX_DEFAULT_IP = "10.3.141.1"
     BUTTERBOX_USB_PATH = "/media/usb-butter/"
 
     BUTTERBOX_NAME = "Butter Box"
diff --git a/install_madmail.py b/install_madmail.py
index cf4dd0b..72c3fcd 100644
--- a/install_madmail.py
+++ b/install_madmail.py
@@ -25,19 +25,19 @@ def run_madmail_installer():
     child.expect("Configuration directory")
     child.sendline("")
     child.expect("TLS mode")
-    child.sendline("")
+    child.sendline("self_signed")
     child.expect("Disable TLS verification for clients")
     child.sendline("y")
     child.expect("SMTP port")
-    child.sendline("")
+    child.sendline("25")
     child.expect("Submission port")
-    child.sendline("")
+    child.sendline("587")
     child.expect("Submission TLS port")
-    child.sendline("")
+    child.sendline("465")
     child.expect("IMAP port")
-    child.sendline("")
+    child.sendline("143")
     child.expect("IMAP TLS port")
-    child.sendline("")
+    child.sendline("993")
     child.expect("Allow insecure")
     child.sendline("n")
     child.expect("Enable chatmail endpoint for user registration")
@@ -47,9 +47,9 @@ def run_madmail_installer():
     child.expect("Chatmail HTTPS port")
     child.sendline("8443")
     child.expect("Chatmail username length")
-    child.sendline("")
+    child.sendline("8")
     child.expect("Chatmail password length")
-    child.sendline("")
+    child.sendline("16")
     child.expect("Enable Shadowsocks proxy for faster messaging")
     child.sendline("n")
     child.expect("Enable TURN server")