diff --git a/src/java/davmail/Settings.java b/src/java/davmail/Settings.java
index 334dd559..8c1057c0 100644
--- a/src/java/davmail/Settings.java
+++ b/src/java/davmail/Settings.java
@@ -26,7 +26,7 @@ public class Settings {
             if (configFile.exists()) {
                 settings.load(new FileReader(configFile));
             } else {
-                settings.put("davmail.url", "http://exchangeServer");
+                settings.put("davmail.url", "http://exchangeServer/exchange/");
                 settings.put("davmail.popPort", "110");
                 settings.put("davmail.smtpPort", "25");
                 settings.put("davmail.keepDelay", "30");
diff --git a/src/java/davmail/SettingsFrame.java b/src/java/davmail/SettingsFrame.java
index e71cb3ae..82450861 100644
--- a/src/java/davmail/SettingsFrame.java
+++ b/src/java/davmail/SettingsFrame.java
@@ -23,6 +23,7 @@ public class SettingsFrame extends JFrame {
         panel.setBorder(BorderFactory.createTitledBorder("Gateway settings"));
 
         final JTextField urlField = new JTextField(Settings.getProperty("davmail.url"), 15);
+        urlField.setToolTipText("Base outlook web access URL");
         final JTextField popPortField = new JTextField(Settings.getProperty("davmail.popPort"), 4);
         final JTextField smtpPortField = new JTextField(Settings.getProperty("davmail.smtpPort"), 4);
         final JTextField keepDelayField = new JTextField(Settings.getProperty("davmail.keepDelay"), 4);