SPF is a form of mail message authentication that enables the mail recipient to check whether the email message really comes from the address it claims to be the sender and which is authorized in the DNS system.
DMARC enables the publication in DNS of data for authentication of incoming mail and policies for exchange of mail.
| 01 | Interoperability level | Technical interoperability |
| 02 | Interoperability sublevel | Message transport and security |
| 03 | Interoperability type | - |
| 04 | Institution | CENTRAL STATE OFFICE FOR DEVELOPMENT OF DIGITAL SOCIETY |
| 05 | Language | ENGL |
| 06 | Country | HR |
| 07 | Authors of the document | IETF |
| 08 | Restrictions on use | - |
| 09 | Compliance with EU funds | - |