diff --git a/api/src/Framework.php b/api/src/Framework.php
index 6088cf7fbb..d36ab2d673 100644
--- a/api/src/Framework.php
+++ b/api/src/Framework.php
@@ -251,6 +251,9 @@ abstract class Framework extends Framework\Extra
 		// commit session (if existing), to fix timing problems sometimes preventing session creation ("Your session can not be verified")
 		if (isset($GLOBALS['egw']->session)) $GLOBALS['egw']->session->commit_session();
 
+		// run egw destructor now explicit, in case a (notification) email is send via Egw::on_shutdown(),
+		// as stream-wrappers used by Horde Smtp fail when PHP is already in destruction
+		$GLOBALS['egw']->__destruct();
 		exit;
 	}
 
diff --git a/api/src/Framework/Extra.php b/api/src/Framework/Extra.php
index 16fe3c5e16..80053cf0c4 100644
--- a/api/src/Framework/Extra.php
+++ b/api/src/Framework/Extra.php
@@ -128,6 +128,8 @@ abstract class Extra
 		{
 			$GLOBALS['egw']->framework->render('', false, false);
 		}
+		// run egw destructor now explicit, in case a (notification) email is send via Egw::on_shutdown(),
+		// as stream-wrappers used by Horde Smtp fail when PHP is already in destruction
 		$GLOBALS['egw']->__destruct();
 		exit;
 	}