A small amount of data indicates that Mynewsdesk can send DMARC compliant email via SPF and DKIM.
See this article to configure Mynewsdesk to send using your domain: https://www.mynewsdesk.com/docs/custom_mail_from
See this article to configure Mynewsdesk to send using your domain: https://www.mynewsdesk.com/docs/custom_mail_from