+/**
+ * SquirrelMail adds username information to every sent email.
+ * It is done in order to prevent possible sender forging when
+ * end users are allowed to change their email and name
+ * information.
+ *
+ * You can disable this header, if you think that it violates
+ * user's privacy or security. Please note, that setting will
+ * work only when users are not allowed to change their identity.
+ *
+ * See SquirrelMail bug tracker #847107 for more details about it.
+ * @global bool $hide_auth_header
+ */
+$hide_auth_header = false;
+