Forms not sending notifications

I am having problems with Forms.

Email test settings - OK Form response is collected and stored in Database - OK Form sends autoresponder to submitter - OK

But there is no notification sent to admin user.

URL: https://intakevets.co.uk/contact.php

Diagnostics:
Perch: 2.8.13, PHP: 5.6.13, MySQL: 5.5.32, with PDO
Server OS: Linux, cgi-fcgi
Installed apps: content (2.8.13), assets (2.8.13), categories (2.8.13), perch_blog (4.6), perch_forms (1.8.3)
App runtimes: <?php $apps_list = array( 'content', 'categories', 'perch_forms', 'perch_blog', );
PERCH_LOGINPATH: /admin
PERCH_PATH: /home/intakeve/public_html/admin
PERCH_CORE: /home/intakeve/public_html/admin/core
PERCH_RESFILEPATH: /home/intakeve/public_html/admin/resources
Image manipulation: GD
PHP limits: Max upload 128M, Max POST 128M, Memory: 256M, Total max file upload: 128M
Resource folder writeable: Yes
HTTP_HOST: intakevets.co.uk
DOCUMENT_ROOT: /home/intakeve/public_html
REQUEST_URI: /admin/core/settings/diagnostics/
SCRIPT_NAME: /admin/core/settings/diagnostics/index.php

Form settings: https://prntscr.com/8mv2mt