diff --git a/mail/base/content/messenger.css b/mail/base/content/messenger.css
index a78529060580..6329c3d8cf50 100644
--- a/mail/base/content/messenger.css
+++ b/mail/base/content/messenger.css
@@ -57,6 +57,11 @@ descriptionitem {
 
 mail-emailaddress {
   -moz-binding: url("chrome://messenger/content/mailWidgets.xml#mail-emailaddress");
+  -moz-user-focus: normal;
+}
+
+mail-emailaddress:focus { 
+  border: dotted; border-width: 1px;
 }
 
 mail-emailheaderfield {