Remove more HTML from sm_attributions. Where exactly do these show up? Certainly not in the footer, which is what's displayed here.

functions/display_messages.php

@@ -97,8 +97,8 @@ function logout_error( $errString, $errTitle = '' ) {
     
     $sm_attribute_str = '';
     if (isset($hide_sm_attributions) && !$hide_sm_attributions) {
-        $sm_attribute_str = _("SquirrelMail Webmail Application")."<br />\n" .
-                            _("By the SquirrelMail Project Team")."<br />\n";
+        $sm_attribute_str = _("SquirrelMail Webmail Application") . "\n" 
+                          . _("By the SquirrelMail Project Team");
     }
 
     $oTemplate->assign('logo_str', $logo_str);