diff --git a/content/preferences.html b/content/preferences.html
index 2b73368..4f5bf88 100644
--- a/content/preferences.html
+++ b/content/preferences.html
@@ -136,6 +136,22 @@
 					</div>
 					<p>Flag messages as junk if travel time takes longer than normal.</p>
 				</div>
+				<div class="grouped fields">
+					<div class="field">
+						<label>Additional information</label>
+						<div class="ui radio checkbox">
+							<input type="radio" id="extrainfo_on" name="extrainfo" value="on" />
+							<label for="extrainfo_on">Show</label>
+						</div>
+					</div>
+					<div class="field">
+						<div class="ui radio checkbox">
+							<input type="radio" id="extrainfo_off" name="extrainfo" value="off" />
+							<label for="extrainfo_off">Hide</label>
+						</div>
+					</div>
+					<p>Show additional information in authentication results, typically contains more header content.</p>
+				</div>
 				<div class="grouped fields">					
 					<div class="field">
 						<label>Debug Messages</label>
diff --git a/js/mailhops.js b/js/mailhops.js
index 4d2508d..66f52aa 100644
--- a/js/mailhops.js
+++ b/js/mailhops.js
@@ -18,8 +18,9 @@ class MailHops {
     theme: 'light',
     api_http: 'https://',
     api_host: 'api.Mailhops.com',
-    debug: false,
     travel_time_junk: false,
+    extrainfo: false,
+    debug: false,
     country_filter: []
   }
   message = {
@@ -68,6 +69,9 @@ class MailHops {
       if (data.travel_time_junk && data.travel_time_junk != 'off') {
         this.options.travel_time_junk = Boolean(data.travel_time_junk);
       }
+      if (data.extrainfo) {
+        this.options.extrainfo = Boolean(data.extrainfo);
+      }
       if (data.debug) {
         this.options.debug = Boolean(data.debug);
       }
diff --git a/js/preferences.js b/js/preferences.js
index daaae14..ab542ed 100644
--- a/js/preferences.js
+++ b/js/preferences.js
@@ -3,8 +3,9 @@ const MailHopPreferences = {
   valid_api_key: false,
   unit: 'mi',
   theme: 'light',
-  debug: false,
   travel_time_junk: false,
+  extrainfo: false,
+  debug: false,
   owm_key: '', //OpenWeatherMap.org api key
   countries: [],
   
@@ -78,6 +79,7 @@ const MailHopPreferences = {
     this.theme = data.theme || 'light';
     this.unit = data.unit || 'mi';
     this.travel_time_junk = Boolean(data.travel_time_junk);
+    this.extrainfo = Boolean(data.extrainfo);
     this.debug = Boolean(data.debug);
     
     if (data.countries) {
@@ -123,6 +125,11 @@ const MailHopPreferences = {
     else
       document.getElementById("travel_time_junk_off").setAttribute('checked', 'checked');
     
+    if (this.extrainfo)
+      document.getElementById("extrainfo_on").setAttribute('checked', 'checked');
+    else
+      document.getElementById("extrainfo_off").setAttribute('checked', 'checked');
+
     if (this.debug)
       document.getElementById("debug_on").setAttribute('checked', 'checked');
     else
@@ -209,6 +216,7 @@ const MailHopPreferences = {
       unit: document.querySelector('input[name="unit"]:checked').value,
       theme: document.querySelector('input[name="theme"]:checked').value,
       travel_time_junk: document.querySelector('input[name="travel_time_junk"]:checked').value == 'on' ? true : false,
+      extrainfo: document.querySelector('input[name="extrainfo"]:checked').value == 'on' ? true : false,
       debug: document.querySelector('input[name="debug"]:checked').value == 'on' ? true : false,
       countries: self.countries.join(','),
     });    
@@ -318,4 +326,4 @@ const MailHopPreferences = {
   
  };
 
-MailHopPreferences.init();
\ No newline at end of file
+MailHopPreferences.init();