Details
Description
eZMail::sender directly sends $this->From to eZMail::convertHeaderText when the $convert argument is true. $this->From can be an array, but eZMail::convertHeaderText expects a string because it calls eZMail::encodeMimeHeader which uses the mb_encode_mimeheader function.
Warning: (PHP) Array to string conversion in /srv/ezpublish/sites/projects/lib/ezutils/classes/ezmail.php on line 834