Owncloud email settings error

i have problem with my Owncloud admin panel.
After PHP 5.4 upgrade to PHP 7.0 dont work correctly Admin panel.
I use smtp settings with email notofication, All mail settings are correct, but when i try send test mail, then error:
A problem occurred while sending the email. Please revise your settings. (Error: Connection could not be established with host Myhost [ #0])
Apache error.log:
[authz_core:error] [pid 4905] [client myIP:55936] AH01630: client denied by server configuration: /var/www/owncloud/data/htaccesstest.txt

Server configuration
Operating system: Ubuntu server 14.04.5
Web server: Apache 2.4.7
Database: MYSQL
PHP version: PHP 7.0
ownCloud version (see ownCloud admin page): Owncloud 9.1.1
Updated from an older ownCloud or fresh install: Fresh install

Integrity status for oC9+

No errors found