By default, all 4 checkboxes at The underside of the window are going to be selected. Most email accounts don't require any changes to those selections. Merely duplicate and paste these documents into your DNS zone, and you also’re great to go. Now you can deliver emails from the server! https://office-365-smtp-setup44445.dm-blog.com/26234445/the-basic-principles-of-cloudflare-dns-server