program/lib/Mail/mimePart.php
@@ -416,8 +416,10 @@ return $this->_buildRFC2047Param($name, $value, $charset, $paramEnc); // RFC2231: $encValue = preg_replace('#([^\x21,\x23,\x24,\x26,\x2B,\x2D,\x2E,\x30-\x39,\x41-\x5A,\x5E-\x7E])#e', '"%" . strtoupper(dechex(ord("\1")))', $value); $encValue = preg_replace( '#([^\x21,\x23,\x24,\x26,\x2B,\x2D,\x2E,\x30-\x39,\x41-\x5A,\x5E-\x7E])#e', '"%" . strtoupper(dechex(ord("\1")))', $value); $value = "$charset'$language'$encValue"; $header = " {$name}*={$value};";